Examine source code of Thaek Live Alerte

{
  "author": "Mrtiran @Mrtiran",
  "background": {
    "scripts": [
      "lib/jquery-2.2.3.min.js",
      "js/parameters.js",
      "js/background.js",
      "js/firefox.js"
    ]
  },
  "browser_action": {
    "default_icon": "img/icon_off.png",
    "default_popup": "popup.html",
    "default_title": "Thaek - Offline"
  },
  "icons": {
    "32": "img/icons/logo32.png",
    "64": "img/icons/logo64.png",
    "128": "img/icons/logo128.png",
    "256": "img/icons/logo256.png"
  },
  "description": "Thaek Live Alerte !",
  "manifest_version": 2,
  "name": "Thaek Live Alerte",
  "permissions": [
    "https://api.twitch.tv/",
    "https://tmi.twitch.tv/",
    "notifications"
  ],
  "version": "2.6.6resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{8370e85a-1449-431a-bf7c-55a34c83ce17}"
    }
  }
}