FEAT #13670 TIME 1:20 add doc viewer standalone + fix err auth failed

src/app/resource/controllers/ResController.php

src/frontend/app/app-routing.module.ts

src/frontend/app/app.module.ts

src/frontend/app/viewer/document-viewer.component.ts

...ntend/app/viewer/page/document-viewer-page.component.html

...ntend/app/viewer/page/document-viewer-page.component.scss

...rontend/app/viewer/page/document-viewer-page.component.ts

src/frontend/service/app.guard.ts

src/frontend/service/header.service.ts