create reservation models

reservation/admin.py

@@ -0,0 +1,19 @@
+from django.contrib import admin
+
+from reservation.models import ReservationSlot, Room
+
+
+@admin.register(Room)
+class RoomAdmin(admin.ModelAdmin):
+    list_display = ("name", "club")
+    list_filter = (("club", admin.RelatedOnlyFieldListFilter), "location")
+    autocomplete_fields = ("club",)
+    search_fields = ("name",)
+
+
+@admin.register(ReservationSlot)
+class ReservationSlotAdmin(admin.ModelAdmin):
+    list_display = ("room", "start_at", "end_at", "author")
+    autocomplete_fields = ("author",)
+    list_filter = ("room",)
+    date_hierarchy = "start_at"