add models

timetable/admin.py

@@ -1 +1,17 @@
 # Register your models here.
+from django.contrib import admin
+
+from timetable.models import Timetable, TimetableSlot
+
+
+class TimetableSlotInline(admin.TabularInline):
+    model = TimetableSlot
+
+
+@admin.register(Timetable)
+class TimetableAdmin(admin.ModelAdmin):
+    list_display = ("user", "semester")
+    search_fields = ("user__nick_name", "user__first_name", "user__last_name")
+    autocomplete_fields = ("user",)
+    inlines = (TimetableSlotInline,)
+    list_select_related = ("user",)