feat: NCS-63 User account implementation (#2)

User Profile info, no game before login/register, menu bar

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Co-authored-by: Lala, Shahd <Shahd.Lala@sybit.de>
Co-authored-by: shahdlala66 <shahd.lala66@gmail.com>
Reviewed-on: #2

src/app/app.ts

@@ -1,21 +1,18 @@
 import { Component, OnInit } from '@angular/core';
 import { RouterOutlet } from '@angular/router';
+import { ToolbarComponent } from './components/toolbar/toolbar.component';
+import { ThemeService } from './services/theme.service';
 
 @Component({
   selector: 'app-root',
-  imports: [RouterOutlet],
+  imports: [RouterOutlet, ToolbarComponent],
   templateUrl: './app.html',
   styleUrl: './app.css'
 })
 export class App implements OnInit {
-  ngOnInit(): void {
-    this.initTheme();
-  }
+  constructor(private readonly themeService: ThemeService) { }
 
-  private initTheme(): void {
-    const savedTheme = localStorage.getItem('theme');
-    if (savedTheme === 'dark') {
-      document.documentElement.setAttribute('data-theme', 'dark');
-    }
+  ngOnInit(): void {
+    this.themeService.initTheme();
   }
 }