Add Radeln ohne Alter ride-coordination demo (Django + HTMX + Leaflet)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

rides/admin.py

@@ -0,0 +1,35 @@
+from django.contrib import admin
+
+from .models import Availability, Einrichtung, Fahrgast, Profile, Ride
+
+
+@admin.register(Profile)
+class ProfileAdmin(admin.ModelAdmin):
+    list_display = ["user", "role"]
+    list_filter = ["role"]
+
+
+@admin.register(Einrichtung)
+class EinrichtungAdmin(admin.ModelAdmin):
+    list_display = ["name", "address", "contact"]
+    search_fields = ["name"]
+
+
+@admin.register(Fahrgast)
+class FahrgastAdmin(admin.ModelAdmin):
+    list_display = ["name", "einrichtung"]
+    list_filter = ["einrichtung"]
+    search_fields = ["name"]
+
+
+@admin.register(Availability)
+class AvailabilityAdmin(admin.ModelAdmin):
+    list_display = ["pilot", "start", "end"]
+
+
+@admin.register(Ride)
+class RideAdmin(admin.ModelAdmin):
+    list_display = ["fahrgast", "scheduled_at", "status", "assigned_pilot"]
+    list_filter = ["status", "assigned_pilot"]
+    date_hierarchy = "scheduled_at"
+    autocomplete_fields = ["fahrgast"]