Examine source code of Pinboard

{
  "manifest_version" : 2 ,
  "name" : "Pinboard",
  "version" : "1.0",
  "description" : "A visual grid dashboard for saving, organizing, and launching your bookmarked pages.",
  "browser_specific_settings": {
    "gecko": {
      "id": "rakayiaheidgerkenv11578@hotmail.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "description" : "This addon does not collect any user data. All data is stored locally in your browser."
      }
    }
  },
  "permissions" : [
    "storage" ,
    "activeTab" ,
    "bookmarks" 
  ],
  "browser_action" : {
    "default_title" : "Pinboard",
    "default_popup" : "dashboard/grid.html",
    "default_icon" : {
      "48" : "icons/marker-48.png",
      "96" : "icons/marker-96.png"
    }
  },
  "background" : {
    "scripts" : [
      "engine/board-keeper.js" 
    ],
    "persistent" : false 
  },
  "icons" : {
    "48" : "icons/marker-48.png",
    "96" : "icons/marker-96.png"
  }
}