Move the Hello World lua app to its own recipe

Use it in the development environment

roles/openresty.rb

@@ -1,11 +1,16 @@
 name "openresty"
 
+development_run_list = %w(
+  kosmos_openresty::default
+  kosmos_openresty::hello_world
+)
+
 default_run_list = %w(
   kosmos_openresty::default
 )
 
 env_run_lists(
   '_default' => default_run_list,
-  'development' => default_run_list,
+  'development' => development_run_list,
   'production' => default_run_list
 )