feat(frontend): modernize Angular app

ui/src/app/app.config.ts

@@ -0,0 +1,17 @@
+import { ApplicationConfig, provideBrowserGlobalErrorListeners, isDevMode, provideZonelessChangeDetection, provideZoneChangeDetection } from '@angular/core';
+import { provideServiceWorker } from '@angular/service-worker';
+import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
+
+export const appConfig: ApplicationConfig = {
+  providers: [
+    provideBrowserGlobalErrorListeners(),
+    provideZoneChangeDetection({ eventCoalescing: true }),
+    provideServiceWorker('custom-service-worker.js', {
+            enabled: !isDevMode(),
+            // Register the ServiceWorker as soon as the application is stable
+            // or after 30 seconds (whichever comes first).
+            registrationStrategy: 'registerWhenStable:30000'
+          }),
+    provideHttpClient(withInterceptorsFromDi()),
+  ]
+};