Initial commit: WrestleDesk full project

- Django backend with DRF (clubs, wrestlers, trainers, exercises, templates, trainings, homework, locations, leistungstest)
- Next.js 16 frontend with React, Shadcn UI, Tailwind
- JWT authentication
- Full CRUD for all entities
- Calendar view for trainings
- Homework management system
- Leistungstest tracking

backend/auth_app/apps.py

@@ -0,0 +1,9 @@
+from django.apps import AppConfig
+
+
+class AuthAppConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'auth_app'
+
+    def ready(self):
+        import auth_app.signals  # noqa