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/wrestlers/admin.py

@@ -0,0 +1,32 @@
+import unfold
+from unfold.admin import ModelAdmin as UnfoldModelAdmin
+from django.contrib import admin
+from .models import Wrestler
+
+
+@admin.register(Wrestler)
+class WrestlerAdmin(UnfoldModelAdmin):
+    list_display = ['first_name', 'last_name', 'club', 'group', 'weight_category', 'is_active']
+    list_filter = ['group', 'is_active', 'club', 'gender']
+    search_fields = ['first_name', 'last_name', 'license_number']
+    readonly_fields = ['created_at', 'updated_at', 'calculate_age']
+    raw_id_fields = ['club']
+
+    fieldsets = (
+        ('Personal Info', {
+            'fields': ('first_name', 'last_name', 'club', 'group', 'gender', 'date_of_birth')
+        }),
+        ('Wrestling Info', {
+            'fields': ('weight_category', 'weight_kg')
+        }),
+        ('License & Documents', {
+            'fields': ('license_number', 'license_expiry', 'photo', 'license_scan')
+        }),
+        ('Status', {
+            'fields': ('is_active', 'notes')
+        }),
+        ('Metadata', {
+            'fields': ('created_at', 'updated_at'),
+            'classes': ('collapse',)
+        }),
+    )