DEV: Include foreign keys in model annotations

app/models/user_profile.rb

@@ -169,3 +169,8 @@ end
 #  index_user_profiles_on_card_background     (card_background)
 #  index_user_profiles_on_profile_background  (profile_background)
 #
+# Foreign Keys
+#
+#  fk_rails_...  (card_background_upload_id => uploads.id)
+#  fk_rails_...  (profile_background_upload_id => uploads.id)
+#

lib/tasks/auto_annotate_models.rake

@@ -31,7 +31,8 @@ if (Rails.env.development? || Rails.env.test?)
       'format_markdown' => "false",
       'sort' => "false",
       'force' => "false",
-      'trace' => "false"
+      'trace' => "false",
+      'show_foreign_keys' => "true"
     )
   end