Add particle effect

src/app/app.ts

@@ -1,9 +1,10 @@
 import { Component } from '@angular/core';
 import { RouterLink, RouterLinkActive, RouterOutlet } from '@angular/router';
+import { InteractiveBackground } from '../components/interactive-background/interactive-background';
 
 @Component({
   selector: 'app-root',
-  imports: [RouterLink, RouterLinkActive, RouterOutlet],
+  imports: [RouterLink, RouterLinkActive, RouterOutlet, InteractiveBackground],
   templateUrl: './app.html',
   styleUrl: './app.css'
 })