fix: risoluzione importazione playlist tramite link di condivisione e fix installabilità PWA su Android

src/app/app.module.ts

@@ -20,8 +20,7 @@ import { ServiceWorkerModule } from '@angular/service-worker';
     IonicStorageModule.forRoot(),
     ServiceWorkerModule.register('ngsw-worker.js', {
       enabled: !isDevMode(),
-      // Register the ServiceWorker as soon as the application is stable
-      // or after 30 seconds (whichever comes first).
+      // Register the ServiceWorker as soon as possible
       registrationStrategy: 'registerImmediately'
     })
   ],