chore(core): install primeng and tailwind

src/app/app.ts

@@ -1,12 +1,17 @@
-import { Component, signal } from '@angular/core';
+import { Component } from '@angular/core';
 import { RouterOutlet } from '@angular/router';
+import { ThemeSwitchService } from './core/service/theme-switch.service';
+import { Button } from 'primeng/button';
 
 @Component({
   selector: 'app-root',
-  imports: [RouterOutlet],
+  imports: [RouterOutlet, Button],
   templateUrl: './app.html',
-  styleUrl: './app.scss'
 })
 export class App {
-  protected readonly title = signal('byhaider-homepage');
+
+  constructor(private themeSwitchService: ThemeSwitchService) {
+    this.themeSwitchService.initialize();
+  }
+
 }