Add AC::Helpers module to jbuilder for api only apps

Author: spastorino

lib/jbuilder/railtie.rb

@@ -12,6 +12,7 @@ class Railtie < ::Rails::Railtie
       if app.config.respond_to?(:api_only) && app.config.api_only
         ActiveSupport.on_load :action_controller do
           include ActionView::Rendering
+          include ActionController::Helpers
         end
       end
     end