Add isotope, categories for announcement page, sort for announcement

app/controllers/admin/module_apps_controller.rb

@@ -11,6 +11,7 @@ class Admin::ModuleAppsController < ApplicationController
 
   def reload_frontend_pages
     @module_app = ModuleApp.find(params[:id])
+    @categories = @module_app.key.eql?('announcement') ? BulletinCategory.all : nil 
     respond_to do |format|
       format.js  {}
     end