build: add pwa capability

src/app/app.config.ts

@@ -1,10 +1,16 @@
-import { ApplicationConfig, inject, provideAppInitializer, provideBrowserGlobalErrorListeners } from '@angular/core';
+import {
+  ApplicationConfig,
+  inject,
+  provideAppInitializer,
+  provideBrowserGlobalErrorListeners,
+  isDevMode,
+} from '@angular/core';
 import { provideRouter } from '@angular/router';
 import { routes } from './app.routes';
 import { WebSqlite } from 'angular-web-sqlite';
 import { Sqlite } from './services/sqlite';
 import { tables } from '../migrations/20260117';
-
+import { provideServiceWorker } from '@angular/service-worker';
 
 export const appConfig: ApplicationConfig = {
   providers: [
@@ -15,8 +21,12 @@ export const appConfig: ApplicationConfig = {
       await sqlite.executeQuery('PRAGMA foreign_keys = ON;');
       document.dispatchEvent(new CustomEvent('ng-boot'));
     }),
-    {provide: WebSqlite, useClass: WebSqlite},
+    { provide: WebSqlite, useClass: WebSqlite },
     provideBrowserGlobalErrorListeners(),
-    provideRouter(routes)
-  ]
+    provideRouter(routes),
+    provideServiceWorker('ngsw-worker.js', {
+      enabled: !isDevMode(),
+      registrationStrategy: 'registerWhenStable:30000',
+    }),
+  ],
 };