theme-extension.json

{
  "name": "todoAppModule",
  "type": "front",
  "description": "Sample application-centered theme.",
  "version": "0.1.0",
  "author": "Vinod Kulkarni <vinod.kulkarni@gmail.com>",
  "layouts": 
  {
     "todo-main": {
        "layout": {
           "template": "todo-main-layout.html",
           "sections": {
            "header": {"template": "header.html"},
            "body": {"template": "body.html"},
            "sidebar": {"template": "sidebar.html"},
            "footer": {"template": "footer.html"},
            "message": {"template": "message.html"}
           },
           "modules": {
              "user": {
                 "login": "templates/modules/user/login.html"
              }
           }
        }
     },
     "todo-ajax": {
        "layout": {
           "template": "todo-ajax-layout.html",
           "sections": {
            "ajaxbody": {"template": "ajaxbody.html"}
            }
         }
     } 
  }
}