beginning syscheck unit

package-lock.json

src/app/sys-check/backend.service.ts

src/app/sys-check/run.component.html

src/app/sys-check/run.component.ts

src/app/sys-check/sys-check.module.ts

...k/resize-IFrameChild/resize-IFrameChild.directive.spec.ts

...-check/resize-IFrameChild/resize-IFrameChild.directive.ts

src/app/sys-check/unit-check/unit-check.component.css

src/app/sys-check/unit-check/unit-check.component.html

src/app/sys-check/unit-check/unit-check.component.ts