new_contents: from django.contrib import admin
  
  from favorites.models import Favorite
  
  
  class FavoriteAdmin(admin.ModelAdmin):
      list_display = ["user", "package", "created", "modified"]
      list_filter = ["created", "modified"]
      search_fields = ["user__username", "package__name"]
      raw_id_fields = ["user", "package"]
  
  admin.site.register(Favorite, FavoriteAdmin)
  
subject: add favorites to the admin