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

src/app/impersonation/impersonation.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ImpersonationComponent } from './impersonation.component';
+
+describe('ImpersonationComponent', () => {
+  let component: ImpersonationComponent;
+  let fixture: ComponentFixture<ImpersonationComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [ImpersonationComponent]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(ImpersonationComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});