feat(auth): Laravel 13 + Breeze + Spatie RBAC

- Authentifizierung via Laravel Breeze (Blade)
- RBAC via Spatie Permission v8 (admin/manager/user)
- MariaDB-Anbindung konfiguriert
- Rollen & Permissions via Seeder angelegt
- Admin-Account: admin@mms-systemservice.de

Version: 0.2.0

tests/Feature/Auth/RegistrationTest.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Tests\Feature\Auth;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class RegistrationTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_registration_screen_can_be_rendered(): void
+    {
+        $response = $this->get('/register');
+
+        $response->assertStatus(200);
+    }
+
+    public function test_new_users_can_register(): void
+    {
+        $response = $this->post('/register', [
+            'name' => 'Test User',
+            'email' => 'test@example.com',
+            'password' => 'password',
+            'password_confirmation' => 'password',
+        ]);
+
+        $this->assertAuthenticated();
+        $response->assertRedirect(route('dashboard', absolute: false));
+    }
+}