update angular to v19 (#2)

Co-authored-by: Jan-Marlon Leibl <jleibl@proton.me>
Reviewed-on: #2

src/app/app.component.ts

@@ -4,11 +4,10 @@ import { RouterOutlet } from '@angular/router';
 import {EmployeeListComponent} from "./employee-list/employee-list.component";
 
 @Component({
-  selector: 'app-root',
-  standalone: true,
-  imports: [CommonModule, EmployeeListComponent],
-  templateUrl: './app.component.html',
-  styleUrl: './app.component.css'
+    selector: 'app-root',
+    imports: [CommonModule, EmployeeListComponent],
+    templateUrl: './app.component.html',
+    styleUrl: './app.component.css'
 })
 export class AppComponent {
   title = 'lf10StarterNew';