Added impersonation. More data available via auth service about the user. Added admin auth guard.

src/app/shared/auth/auth.user.guard.ts

@@ -0,0 +1,15 @@
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot } from '@angular/router';
+import { ApiAuthenticationService } from '../services/api/api-authentication.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AuthUserGuard implements CanActivate {
+
+  constructor(private auth: ApiAuthenticationService, private router: Router) { }
+
+  async canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Promise<boolean> {
+    return this.auth.isAuthenticated();
+  }
+}