diff --git a/.gitignore b/.gitignore
index 919ddf0d0b983bca7eae32b5463ee54413220724..3ab871093cf42a60c8c9145b0b8d705a6d813ff5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,9 @@
 !.vscode/launch.json
 !.vscode/extensions.json
 
+# compodoc
+/documentation
+
 # misc
 /.sass-cache
 /connect.lock
diff --git a/package-lock.json b/package-lock.json
index 81f1335ff73b2e19bb2a17ba544a1ad41876952d..05f67eca83be952c276698ea4265e9bd814c7bd1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,12 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@aduh95/viz.js": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/@aduh95/viz.js/-/viz.js-3.4.0.tgz",
+      "integrity": "sha512-KI2nVf9JdwWCXqK6RVf+9/096G7VWN4Z84mnynlyZKao2xQENW8WNEjLmvdlxS5X8PNWXFC1zqwm7tveOXw/4A==",
+      "dev": true
+    },
     "@angular-devkit/architect": {
       "version": "0.900.7",
       "resolved": "https://registry.npmjs.org/@angular-devkit/architect/-/architect-0.900.7.tgz",
@@ -413,6 +419,12 @@
           "integrity": "sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==",
           "dev": true
         },
+        "ini": {
+          "version": "1.3.5",
+          "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
+          "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
+          "dev": true
+        },
         "rimraf": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.0.tgz",
@@ -1553,6 +1565,191 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@compodoc/compodoc": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/@compodoc/compodoc/-/compodoc-1.1.11.tgz",
+      "integrity": "sha512-3PGTf64Eug1SIcdQole2KkVftBMFjKzecBytLHy4+MQYcblAQM0O3a4GoxuWwN7cTawVq4eqSJTtf6My1I/oHA==",
+      "dev": true,
+      "requires": {
+        "@compodoc/ngd-transformer": "^2.0.0",
+        "chalk": "^2.4.2",
+        "cheerio": "^1.0.0-rc.3",
+        "chokidar": "^3.1.1",
+        "colors": "^1.4.0",
+        "commander": "^3.0.2",
+        "cosmiconfig": "^5.2.1",
+        "decache": "^4.5.1",
+        "fancy-log": "^1.3.3",
+        "findit2": "^2.2.3",
+        "fs-extra": "^8.0.1",
+        "glob": "^7.1.4",
+        "handlebars": "^4.3.3",
+        "html-entities": "^1.2.1",
+        "i18next": "^17.0.16",
+        "inside": "^1.0.0",
+        "json5": "^2.1.0",
+        "live-server": "^1.2.1",
+        "lodash": "^4.17.15",
+        "loglevel": "^1.6.4",
+        "loglevel-plugin-prefix": "^0.8.4",
+        "lunr": "^2.3.6",
+        "marked": "^0.7.0",
+        "minimist": "^1.2.0",
+        "opencollective-postinstall": "^2.0.2",
+        "os-name": "^3.1.0",
+        "pdfmake": "^0.1.60",
+        "semver": "^6.3.0",
+        "traverse": "^0.6.6",
+        "ts-simple-ast": "12.4.0",
+        "uuid": "^3.3.3"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "colors": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
+          "integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==",
+          "dev": true
+        },
+        "commander": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-3.0.2.tgz",
+          "integrity": "sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==",
+          "dev": true
+        },
+        "fs-extra": {
+          "version": "8.1.0",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.2.0",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
+          }
+        },
+        "json5": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
+          "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
+          "dev": true,
+          "requires": {
+            "minimist": "^1.2.5"
+          }
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "@compodoc/ngd-core": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@compodoc/ngd-core/-/ngd-core-2.1.0.tgz",
+      "integrity": "sha512-nyBH7J7SJJ2AV6OeZhJ02kRtVB7ALnZJKgShjoL9CNmOFEj8AkdhP9qTBIgjaDrbsW5pF4nx32KQL2fT7RFnqw==",
+      "dev": true,
+      "requires": {
+        "ansi-colors": "^4.1.1",
+        "fancy-log": "^1.3.3",
+        "typescript": "^4.0.3"
+      },
+      "dependencies": {
+        "ansi-colors": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
+          "integrity": "sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==",
+          "dev": true
+        },
+        "typescript": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.2.tgz",
+          "integrity": "sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==",
+          "dev": true
+        }
+      }
+    },
+    "@compodoc/ngd-transformer": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@compodoc/ngd-transformer/-/ngd-transformer-2.1.0.tgz",
+      "integrity": "sha512-Jo4VCMzIUtgIAdRmhHhOoRRE01gCjc5CyrUERRx0VgEzkkCm1Wmu/XHSsQP6tSpCYHBjERghqaDqH5DabkR2oQ==",
+      "dev": true,
+      "requires": {
+        "@aduh95/viz.js": "^3.1.0",
+        "@compodoc/ngd-core": "~2.1.0",
+        "dot": "^1.1.3",
+        "fs-extra": "^9.0.1"
+      },
+      "dependencies": {
+        "fs-extra": {
+          "version": "9.1.0",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-9.1.0.tgz",
+          "integrity": "sha512-hcg3ZmepS30/7BSFqRvoo3DOMQu7IjqxO5nCDt+zM9XWjb33Wg7ziNT+Qvqbuc3+gWpzO02JubVyk2G4Zvo1OQ==",
+          "dev": true,
+          "requires": {
+            "at-least-node": "^1.0.0",
+            "graceful-fs": "^4.2.0",
+            "jsonfile": "^6.0.1",
+            "universalify": "^2.0.0"
+          }
+        },
+        "jsonfile": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz",
+          "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.6",
+            "universalify": "^2.0.0"
+          }
+        },
+        "universalify": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
+          "integrity": "sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==",
+          "dev": true
+        }
+      }
+    },
+    "@dsherret/to-absolute-glob": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@dsherret/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz",
+      "integrity": "sha1-H2R13IvZdM6gei2vOGSzF7HdMyw=",
+      "dev": true,
+      "requires": {
+        "is-absolute": "^1.0.0",
+        "is-negated-glob": "^1.0.0"
+      }
+    },
     "@eslint/eslintrc": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.4.1.tgz",
@@ -1628,6 +1825,16 @@
       "integrity": "sha512-ZXRY4jNvVgSVQ8DL3LTcakaAtXwTVUxE81hslsyD2AtoXW/wVob10HkOJ1X/pAlcI7D+2YoZKg5do8G/w6RYgA==",
       "dev": true
     },
+    "@mrmlnc/readdir-enhanced": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
+      "integrity": "sha512-bPHp6Ji8b41szTOcaP63VlnbbO5Ny6dwAATtY6JTjh5N2OLrb5Qk/Th5cRkRQhkWCt+EJsYrNB0MiL+Gpn6e3g==",
+      "dev": true,
+      "requires": {
+        "call-me-maybe": "^1.0.1",
+        "glob-to-regexp": "^0.3.0"
+      }
+    },
     "@ngtools/webpack": {
       "version": "9.0.7",
       "resolved": "https://registry.npmjs.org/@ngtools/webpack/-/webpack-9.0.7.tgz",
@@ -1713,6 +1920,12 @@
             "lru-cache": "^6.0.0"
           }
         },
+        "ini": {
+          "version": "1.3.5",
+          "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
+          "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
+          "dev": true
+        },
         "lru-cache": {
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
@@ -2278,6 +2491,23 @@
       "integrity": "sha512-K0Ptm/47OKfQRpNQ2J/oIN/3QYiK6FwW+eJbILhsdxh2WTLdl+30o8aGdTbm5JbffpFFAg/g+zi1E+jvJha5ng==",
       "dev": true
     },
+    "acorn-node": {
+      "version": "1.8.2",
+      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.8.2.tgz",
+      "integrity": "sha512-8mt+fslDufLYntIoPAaIMUe/lrbrehIiwmR3t2k9LljIzoigEPF27eLk2hy8zSGzmR/ogr7zbRKINMo1u0yh5A==",
+      "dev": true,
+      "requires": {
+        "acorn": "^7.0.0",
+        "acorn-walk": "^7.0.0",
+        "xtend": "^4.0.2"
+      }
+    },
+    "acorn-walk": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.2.0.tgz",
+      "integrity": "sha512-OPdCF6GsMIP+Az+aWfAAOEt2/+iVDKE7oy6lJ098aoe59oAmK76qV6Gw60SbZ8jHuG2wH058GF4pLFbYamYrVA==",
+      "dev": true
+    },
     "adm-zip": {
       "version": "0.4.16",
       "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.4.16.tgz",
@@ -2374,6 +2604,15 @@
         "type-fest": "^0.21.3"
       }
     },
+    "ansi-gray": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
+      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
+      "dev": true,
+      "requires": {
+        "ansi-wrap": "0.1.0"
+      }
+    },
     "ansi-html": {
       "version": "0.0.7",
       "resolved": "https://registry.npmjs.org/ansi-html/-/ansi-html-0.0.7.tgz",
@@ -2390,6 +2629,12 @@
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
       "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
     },
+    "ansi-wrap": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
+      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768=",
+      "dev": true
+    },
     "anymatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.2.tgz",
@@ -2400,6 +2645,21 @@
         "picomatch": "^2.0.4"
       }
     },
+    "apache-crypt": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/apache-crypt/-/apache-crypt-1.2.4.tgz",
+      "integrity": "sha512-Icze5ny5W5uv3xgMgl8U+iGmRCC0iIDrb2PVPuRBtL3Zy1Y5TMewXP1Vtc4r5X9eNNBEk7KYPu0Qby9m/PmcHg==",
+      "dev": true,
+      "requires": {
+        "unix-crypt-td-js": "^1.1.4"
+      }
+    },
+    "apache-md5": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/apache-md5/-/apache-md5-1.1.5.tgz",
+      "integrity": "sha512-sbLEIMQrkV7RkIruqTPXxeCMkAAycv4yzTkBzRgOR1BrR5UB7qZtupqxkersTJSf0HZ3sbaNRrNV80TnnM7cUw==",
+      "dev": true
+    },
     "append-transform": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-1.0.0.tgz",
@@ -2485,6 +2745,12 @@
       "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
       "dev": true
     },
+    "array-differ": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/array-differ/-/array-differ-1.0.0.tgz",
+      "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
+      "dev": true
+    },
     "array-find-index": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
@@ -2496,6 +2762,12 @@
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       "dev": true
     },
+    "array-from": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz",
+      "integrity": "sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=",
+      "dev": true
+    },
     "array-includes": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.1.3.tgz",
@@ -2625,6 +2897,65 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
+    "ast-transform": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/ast-transform/-/ast-transform-0.0.0.tgz",
+      "integrity": "sha1-dJRAWIh9goPhidlUYAlHvJj+AGI=",
+      "dev": true,
+      "requires": {
+        "escodegen": "~1.2.0",
+        "esprima": "~1.0.4",
+        "through": "~2.3.4"
+      },
+      "dependencies": {
+        "escodegen": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.2.0.tgz",
+          "integrity": "sha1-Cd55Z3kcyVi3+Jot220jRRrzJ+E=",
+          "dev": true,
+          "requires": {
+            "esprima": "~1.0.4",
+            "estraverse": "~1.5.0",
+            "esutils": "~1.0.0",
+            "source-map": "~0.1.30"
+          }
+        },
+        "esprima": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-1.0.4.tgz",
+          "integrity": "sha1-n1V+CPw7TSbs6d00+Pv0drYlha0=",
+          "dev": true
+        },
+        "estraverse": {
+          "version": "1.5.1",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-1.5.1.tgz",
+          "integrity": "sha1-hno+jlip+EYYr7bC3bzZFrfLr3E=",
+          "dev": true
+        },
+        "esutils": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/esutils/-/esutils-1.0.0.tgz",
+          "integrity": "sha1-gVHTWOIMisx/t0XnRywAJf5JZXA=",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.1.43",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
+          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "amdefine": ">=0.0.4"
+          }
+        }
+      }
+    },
+    "ast-types": {
+      "version": "0.7.8",
+      "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.7.8.tgz",
+      "integrity": "sha1-kC0uDWDQcb3NRtwRXhgJ7RHBOKk=",
+      "dev": true
+    },
     "astral-regex": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-2.0.0.tgz",
@@ -2662,6 +2993,12 @@
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
+    "at-least-node": {
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+          "requires": {
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+          "requires": {
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+          "dev": true,
+          "requires": {
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+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
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+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        },
+        "string_decoder": {
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+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "dev": true,
+          "requires": {
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+      }
+    },
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       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
@@ -13308,6 +14988,15 @@
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       }
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+    "stream-combiner": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
+      "integrity": "sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=",
+      "dev": true,
+      "requires": {
+        "duplexer": "~0.1.1"
+      }
+    },
     "stream-each": {
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       "resolved": "https://registry.npmjs.org/stream-each/-/stream-each-1.2.3.tgz",
@@ -13627,6 +15316,15 @@
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       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
     },
+    "svg-to-pdfkit": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/svg-to-pdfkit/-/svg-to-pdfkit-0.1.8.tgz",
+      "integrity": "sha512-QItiGZBy5TstGy+q8mjQTMGRlDDOARXLxH+sgVm1n/LYeo0zFcQlcCh8m4zi8QxctrxB9Kue/lStc/RD5iLadQ==",
+      "dev": true,
+      "requires": {
+        "pdfkit": ">=0.8.1"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/svgo/-/svgo-1.3.2.tgz",
@@ -13962,6 +15660,12 @@
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       "dev": true
     },
+    "time-stamp": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/time-stamp/-/time-stamp-1.1.0.tgz",
+      "integrity": "sha1-dkpaEa9QVhkhsTPztE5hhofg9cM=",
+      "dev": true
+    },
     "timers-browserify": {
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       "resolved": "https://registry.npmjs.org/timers-browserify/-/timers-browserify-2.0.12.tgz",
@@ -13977,6 +15681,12 @@
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       "dev": true
     },
+    "tiny-inflate": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tiny-inflate/-/tiny-inflate-1.0.3.tgz",
+      "integrity": "sha512-pkY1fj1cKHb2seWDy0B16HeWyczlJA9/WW3u3c4z/NiWDsO3DOU5D7nhTLE9CF0yXv/QZFY7sEJmj24dK+Rrqw==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
@@ -14065,6 +15775,12 @@
         "punycode": "^2.1.1"
       }
     },
+    "traverse": {
+      "version": "0.6.6",
+      "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.6.6.tgz",
+      "integrity": "sha1-y99WD9e5r2MlAv7UD5GMFX6pcTc=",
+      "dev": true
+    },
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@@ -14097,6 +15813,103 @@
         "yn": "3.1.1"
       }
     },
+    "ts-simple-ast": {
+      "version": "12.4.0",
+      "resolved": "https://registry.npmjs.org/ts-simple-ast/-/ts-simple-ast-12.4.0.tgz",
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+      "dev": true,
+      "requires": {
+        "@dsherret/to-absolute-glob": "^2.0.2",
+        "code-block-writer": "^7.2.0",
+        "fs-extra": "^6.0.1",
+        "glob-parent": "^3.1.0",
+        "globby": "^8.0.1",
+        "is-negated-glob": "^1.0.0",
+        "multimatch": "^2.1.0",
+        "object-assign": "^4.1.1",
+        "tslib": "^1.9.0",
+        "typescript": "2.9.1"
+      },
+      "dependencies": {
+        "@nodelib/fs.stat": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz",
+          "integrity": "sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==",
+          "dev": true
+        },
+        "dir-glob": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-2.0.0.tgz",
+          "integrity": "sha512-37qirFDz8cA5fimp9feo43fSuRo2gHwaIn6dXL8Ber1dGwUosDrGZeCCXq57WnIqE4aQ+u3eQZzsk1yOzhdwag==",
+          "dev": true,
+          "requires": {
+            "arrify": "^1.0.1",
+            "path-type": "^3.0.0"
+          }
+        },
+        "fast-glob": {
+          "version": "2.2.7",
+          "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-2.2.7.tgz",
+          "integrity": "sha512-g1KuQwHOZAmOZMuBtHdxDtju+T2RT8jgCC9aANsbpdiDDTSnjgfuVsIBNKbUeJI3oKMRExcfNDtJl4OhbffMsw==",
+          "dev": true,
+          "requires": {
+            "@mrmlnc/readdir-enhanced": "^2.2.1",
+            "@nodelib/fs.stat": "^1.1.2",
+            "glob-parent": "^3.1.0",
+            "is-glob": "^4.0.0",
+            "merge2": "^1.2.3",
+            "micromatch": "^3.1.10"
+          }
+        },
+        "fs-extra": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-6.0.1.tgz",
+          "integrity": "sha512-GnyIkKhhzXZUWFCaJzvyDLEEgDkPfb4/TPvJCJVuS8MWZgoSsErf++QpiAlDnKFcqhRlm+tIOcencCjyJE6ZCA==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
+          }
+        },
+        "globby": {
+          "version": "8.0.2",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-8.0.2.tgz",
+          "integrity": "sha512-yTzMmKygLp8RUpG1Ymu2VXPSJQZjNAZPD4ywgYEaG7e4tBJeUQBO8OpXrf1RCNcEs5alsoJYPAMiIHP0cmeC7w==",
+          "dev": true,
+          "requires": {
+            "array-union": "^1.0.1",
+            "dir-glob": "2.0.0",
+            "fast-glob": "^2.0.2",
+            "glob": "^7.1.2",
+            "ignore": "^3.3.5",
+            "pify": "^3.0.0",
+            "slash": "^1.0.0"
+          }
+        },
+        "path-type": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
+          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
+          "dev": true,
+          "requires": {
+            "pify": "^3.0.0"
+          }
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        },
+        "typescript": {
+          "version": "2.9.1",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.1.tgz",
+          "integrity": "sha512-h6pM2f/GDchCFlldnriOhs1QHuwbnmj6/v7499eMHqPeW4V2G0elua2eIc2nu8v2NdHV0Gm+tzX83Hr6nUFjQA==",
+          "dev": true
+        }
+      }
+    },
     "tsconfig-paths": {
       "version": "3.9.0",
       "resolved": "https://registry.npmjs.org/tsconfig-paths/-/tsconfig-paths-3.9.0.tgz",
@@ -14159,6 +15972,12 @@
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
       "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
+    "type": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
+      "integrity": "sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg==",
+      "dev": true
+    },
     "type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -14242,6 +16061,12 @@
         "which-boxed-primitive": "^1.0.2"
       }
     },
+    "unc-path-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
+      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo=",
+      "dev": true
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
@@ -14264,12 +16089,58 @@
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       "dev": true
     },
+    "unicode-properties": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/unicode-properties/-/unicode-properties-1.3.1.tgz",
+      "integrity": "sha512-nIV3Tf3LcUEZttY/2g4ZJtGXhWwSkuLL+rCu0DIAMbjyVPj+8j5gNVz4T/sVbnQybIsd5SFGkPKg/756OY6jlA==",
+      "dev": true,
+      "requires": {
+        "base64-js": "^1.3.0",
+        "unicode-trie": "^2.0.0"
+      },
+      "dependencies": {
+        "pako": {
+          "version": "0.2.9",
+          "resolved": "https://registry.npmjs.org/pako/-/pako-0.2.9.tgz",
+          "integrity": "sha1-8/dSL073gjSNqBYbrZ7P1Rv4OnU=",
+          "dev": true
+        },
+        "unicode-trie": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/unicode-trie/-/unicode-trie-2.0.0.tgz",
+          "integrity": "sha512-x7bc76x0bm4prf1VLg79uhAzKw8DVboClSN5VxJuQ+LKDOVEW9CdH+VY7SP+vX7xCYQqzzgQpFqz15zeLvAtZQ==",
+          "dev": true,
+          "requires": {
+            "pako": "^0.2.5",
+            "tiny-inflate": "^1.0.0"
+          }
+        }
+      }
+    },
     "unicode-property-aliases-ecmascript": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.1.0.tgz",
       "integrity": "sha512-PqSoPh/pWetQ2phoj5RLiaqIk4kCNwoV3CI+LfGmWLKI3rE3kl1h59XpX2BjgDrmbxD9ARtQobPGU1SguCYuQg==",
       "dev": true
     },
+    "unicode-trie": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unicode-trie/-/unicode-trie-1.0.0.tgz",
+      "integrity": "sha512-v5raLKsobbFbWLMoX9+bChts/VhPPj3XpkNr/HbqkirXR1DPk8eo9IYKyvk0MQZFkaoRsFj2Rmaqgi2rfAZYtA==",
+      "dev": true,
+      "requires": {
+        "pako": "^0.2.5",
+        "tiny-inflate": "^1.0.0"
+      },
+      "dependencies": {
+        "pako": {
+          "version": "0.2.9",
+          "resolved": "https://registry.npmjs.org/pako/-/pako-0.2.9.tgz",
+          "integrity": "sha1-8/dSL073gjSNqBYbrZ7P1Rv4OnU=",
+          "dev": true
+        }
+      }
+    },
     "union-value": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
@@ -14329,6 +16200,12 @@
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       "dev": true
     },
+    "unix-crypt-td-js": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/unix-crypt-td-js/-/unix-crypt-td-js-1.1.4.tgz",
+      "integrity": "sha512-8rMeVYWSIyccIJscb9NdCfZKSRBKYTeVnwmiRYT2ulE3qd1RaDQ0xQDP+rI3ccIWbhu/zuo5cgN8z73belNZgw==",
+      "dev": true
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -14686,6 +16563,7 @@
           "dev": true,
           "optional": true,
           "requires": {
+            "bindings": "^1.5.0",
             "nan": "^2.12.1"
           }
         },
@@ -15260,6 +17138,7 @@
           "dev": true,
           "optional": true,
           "requires": {
+            "bindings": "^1.5.0",
             "nan": "^2.12.1"
           }
         },
@@ -15570,6 +17449,15 @@
         "string-width": "^1.0.2 || 2"
       }
     },
+    "windows-release": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.3.3.tgz",
+      "integrity": "sha512-OSOGH1QYiW5yVor9TtmXKQvt2vjQqbYS+DqmsZw+r7xDwLXEeT3JGW0ZppFmHx4diyXmxt238KFR3N9jzevBRg==",
+      "dev": true,
+      "requires": {
+        "execa": "^1.0.0"
+      }
+    },
     "word-wrap": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
@@ -15712,6 +17600,15 @@
       "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==",
       "dev": true
     },
+    "xmldoc": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/xmldoc/-/xmldoc-1.1.2.tgz",
+      "integrity": "sha512-ruPC/fyPNck2BD1dpz0AZZyrEwMOrWTO5lDdIXS91rs3wtm4j+T8Rp2o+zoOYkkAxJTZRPOSnOGei1egoRmKMQ==",
+      "dev": true,
+      "requires": {
+        "sax": "^1.2.1"
+      }
+    },
     "xmlhttprequest-ssl": {
       "version": "1.5.5",
       "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
diff --git a/package.json b/package.json
index 118d4254eaefebe6307132228b96f9deab3ec265..b47b3b11a296f73cd06b0a58e4ba5152dbe3a2eb 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
     "build": "ng build",
     "test": "ng test  --watch=false",
     "lint": "ng lint",
-    "e2e": "ng e2e"
+    "e2e": "ng e2e",
+    "compodoc": "npx compodoc -p tsconfig.doc.json -s"
   },
   "private": true,
   "eslintConfig": {
@@ -56,6 +57,7 @@
     "@angular/cli": "~9.0.6",
     "@angular/compiler-cli": "~9.0.6",
     "@angular/language-service": "~9.0.6",
+    "@compodoc/compodoc": "^1.1.11",
     "@iqb/eslint-config": "0.0.12",
     "@types/jasminewd2": "~2.0.8",
     "jasmine-core": "~3.5.0",
diff --git a/tsconfig.doc.json b/tsconfig.doc.json
new file mode 100755
index 0000000000000000000000000000000000000000..a63a8c66ac857b3a318324dc664c65a38634400f
--- /dev/null
+++ b/tsconfig.doc.json
@@ -0,0 +1,4 @@
+{
+  "include": ["src/**/*.ts"],
+  "exclude": []
+}