Enable running RuboCop on generator

Author: skryukov

config/environments/development.rb

@@ -74,7 +74,7 @@
   config.action_controller.raise_on_missing_callback_actions = true
 
   # Apply autocorrection by RuboCop to files generated by `bin/rails generate`.
-  # config.generators.apply_rubocop_autocorrect_after_generate!
+  config.generators.apply_rubocop_autocorrect_after_generate!
 
   # Automatically update js-routes file
   # when routes.rb is changed