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/locations/models.py

@@ -0,0 +1,20 @@
+from django.db import models
+
+
+class Location(models.Model):
+    name = models.CharField(max_length=200)
+    address = models.TextField(blank=True)
+    club = models.ForeignKey('clubs.Club', on_delete=models.CASCADE, related_name='locations', null=True, blank=True)
+    is_active = models.BooleanField(default=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['name']
+        verbose_name_plural = 'Locations'
+        indexes = [
+            models.Index(fields=['club']),
+        ]
+
+    def __str__(self):
+        return self.name