Merge pull request #24169 from rubys/config_ac_per_env

Config ac per env

railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt

@@ -69,4 +69,7 @@ Rails.application.configure do
   # Use an evented file watcher to asynchronously detect changes in source code,
   # routes, locales, etc. This feature depends on the listen gem.
   <%= '# ' unless depend_on_listen? %>config.file_watcher = ActiveSupport::EventedFileUpdateChecker
+
+  # Uncomment if you wish to allow Action Cable access from any origin
+  # config.action_cable.disable_request_forgery_protection = true
 end