Examine source code of Taskbot Getlike

{
  "manifest_version": 2,
  "name": "Taskbot Getlike",
  "version": "1.10",
  "description": "Taskbot Getlike Extension",
  "icons": {
    "48": "icon-48.png",
    "96": "icon-96.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "webNavigation",
    "notifications"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "taskbot@example.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}