Add Nextcloud OAuth 2.0 login via laravel/socialite

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Providers/AppServiceProvider.php

@@ -3,8 +3,10 @@
 namespace App\Providers;
 
 use Illuminate\Support\ServiceProvider;
-use App\Models\Product;              // Richtiges Product-Model importieren
-use App\Observers\ProductObserver;   // ProductObserver importieren
+use Illuminate\Support\Facades\Event;
+use App\Models\Product;
+use App\Observers\ProductObserver;
+use SocialiteProviders\Manager\SocialiteWasCalled;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -22,5 +24,9 @@ class AppServiceProvider extends ServiceProvider
     public function boot(): void
     {
         Product::observe(ProductObserver::class);
+
+        Event::listen(function (SocialiteWasCalled $event) {
+            $event->extendSocialite('nextcloud', \SocialiteProviders\Nextcloud\Provider::class);
+        });
     }
 }