Add Settings Popup

src/app/app.ts

@@ -1,12 +1,15 @@
-import { Component } from '@angular/core';
+import { Component, inject } from '@angular/core';
 import { RouterOutlet } from '@angular/router';
 import { HeaderMenu } from './features/header-menu/header-menu';
+import { PopupService } from './services/popup.service';
+import { NgComponentOutlet } from '@angular/common';
 
 @Component({
   selector: 'app-root',
-  standalone: true,
-  imports: [RouterOutlet, HeaderMenu],
+  imports: [RouterOutlet, HeaderMenu, NgComponentOutlet],
   templateUrl: './app.html',
   styleUrl: './app.scss'
 })
-export class App {}
+export class App {
+  protected popupService = inject(PopupService);
+}