change plugins.private_flag to public_flag

app/admin/plugin.rb

@@ -3,19 +3,19 @@ ActiveAdmin.register Plugin do
   filter :name
   filter :created_at
 
-  permit_params :name, :html, :css, :js, :private_flag
+  permit_params :name, :html, :css, :js, :public_flag
 
   index do
     column :id
     column(:user) { |object| link_to object.user.login, admin_user_path(object.user) if object.user.present? }
     column :name
-    column :private_flag
+    column :public_flag
     actions
   end
 
   form do |f|
     f.semantic_errors *f.object.errors.keys
-    f.inputs :name, :html, :css, :js, :private_flag
+    f.inputs :name, :html, :css, :js, :public_flag
     f.actions
   end