Apply automatic rubocop fixes

db/migrate/20201208095929_add_index_to_rfc.rb

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 class AddIndexToRfc < ActiveRecord::Migration[5.2]
   def change
     add_index(:request_for_comments, %i[user_id user_type created_at],
-              order: { user_id: :asc, user_type: :asc, created_at: :desc }, name: :index_rfc_on_user_and_created_at)
+      order: {user_id: :asc, user_type: :asc, created_at: :desc}, name: :index_rfc_on_user_and_created_at)
   end
 end