Add dev environment file

.gitignore

@@ -38,4 +38,3 @@ testem.log
 # System Files
 .DS_Store
 Thumbs.db
-src/environments/environment.ts

src/environments/environment.ts

+export const environment = {
+  production: false,
+  testcenterUrl: '/api/',
+  appPublisher: 'IQB - Institut zur Qualitätsentwicklung im Bildungswesen',
+  apiVersionExpected: '9.1.0',
+  veronaApiVersionSupported: '2.1.0'
+};