fixup! add models, admin, factories, admin and tests

lacommunaute/documentation/admin.py

@@ -34,7 +34,7 @@ class DocumentAdmin(admin.ModelAdmin):
 
 @admin.register(DocumentRating)
 class DocumentRatingAdmin(admin.ModelAdmin):
-    list_display = ("document", "rating", "created_at")
+    list_display = ("document", "rating", "created")
     list_filter = ("document",)
     list_display_links = ("rating",)
     raw_id_fields = ("document", "user")