feat: add footer component and FontAwesome integration

frontend/src/app/app.config.ts

@@ -4,6 +4,7 @@ import {
   provideExperimentalZonelessChangeDetection,
 } from '@angular/core';
 import { provideRouter } from '@angular/router';
+import { FontAwesomeModule } from '@fortawesome/angular-fontawesome';
 
 import { routes } from './app.routes';
 import {
@@ -38,6 +39,7 @@ export const appConfig: ApplicationConfig = {
   providers: [
     provideRouter(routes),
     KeycloakAngularModule,
+    FontAwesomeModule,
     {
       provide: APP_INITIALIZER,
       useFactory: initializeApp,