Updated Angular to version 11

- ngx-videogular was replaced by @videogular/ngx-videogular

src/app/app-routing.module.ts

@@ -19,7 +19,7 @@ const routes: Routes = [
 ];
 
 @NgModule({
-  imports: [RouterModule.forRoot(routes, { useHash: true })],
+  imports: [RouterModule.forRoot(routes, { useHash: true, relativeLinkResolution: 'legacy' })],
   exports: [RouterModule]
 })
 export class AppRoutingModule { }