feat: add pwa support

src/app/app.config.ts

@@ -2,7 +2,7 @@ import {
   ApplicationConfig,
   InjectionToken,
   provideBrowserGlobalErrorListeners,
-  provideZoneChangeDetection,
+  provideZoneChangeDetection, isDevMode,
 } from '@angular/core';
 import { provideRouter } from '@angular/router';
 
@@ -10,6 +10,7 @@ import { routes } from './app.routes';
 import { strings } from './strings';
 import { provideHttpClient } from '@angular/common/http';
 import { Language } from './types/Language.type';
+import { provideServiceWorker } from '@angular/service-worker';
 
 const STRINGS_TOKEN = 'strings';
 export const STRINGS_INJECTOR = new InjectionToken<typeof strings>(STRINGS_TOKEN);
@@ -24,6 +25,9 @@ export const appConfig: ApplicationConfig = {
     provideRouter(routes),
     provideHttpClient(),
     { provide: STRINGS_INJECTOR, useValue: strings },
-    { provide: LS_LANGUAGE, useValue: 'language' },
+    { provide: LS_LANGUAGE, useValue: 'language' }, provideServiceWorker('ngsw-worker.js', {
+            enabled: !isDevMode(),
+            registrationStrategy: 'registerWhenStable:30000'
+          }),
   ],
 };