old_contents: //= controllers/LuxuryShopApp.js
  //= partials/_registerModule.js
  
new_contents: /**
  *@name Main application JS file
  *@description This is file contain all logic for web app
  *@author Vladislav Semenets <semenecvlad@mail.ru>
  */
  
  //= controllers/LuxuryShopApp.js
  //= partials/_registerModule.js
  
subject: Update main.js