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

vendor/plugins/NewBlog/lib/NewBlog.rb

@@ -1,5 +0,0 @@
-require "NewBlog/engine"
-
-
-module NewBlog
-end

vendor/plugins/NewBlog/lib/NewBlog/engine.rb

@@ -1,6 +0,0 @@
-module NewBlog
-  class Engine < Rails::Engine
-    isolate_namespace NewBlog
-    PrototypeR4::Application::Orbit_Apps << "NewBlog"
-  end
-end

vendor/plugins/NewBlog/lib/NewBlog/version.rb

@@ -1,3 +0,0 @@
-module NewBlog
-  VERSION = "0.0.1"
-end

vendor/plugins/NewBlog/lib/tasks/NewBlog_tasks.rake

@@ -1,4 +0,0 @@
-# desc "Explaining what the task does"
-# task :NewBlog do
-#   # Task goes here
-# end