APP zip package placed in lib now can be unzip into vendor

APP zip package placed in lib now can be unzip into vendor,however
server can not restart

config/routes.rb

@@ -36,6 +36,9 @@ PrototypeR4::Application.routes.draw do
     end
     resources :page_parts
     resources :purchases do
+      collection do
+        get 'install_app'
+      end
       member do
         get 'download'
       end