Examine source code of Slader_TV

{
  "manifest_version": 2,
  "name": "Slader_TV",
  "author": "Micka Gamer ™",
  "description": "Vous indiques si Slader_TV est en stream.",
  "version": "0.1.2",
  "browser_action": {
    "default_icon": "img/logo.png",
    "default_title": "Slader_TV",
    "default_popup": "index.html"
  },
  "icons": {
    "64": "img/64.png"
  },
  "background": {
    "scripts": [
      "twitchalert.js",
      "background.js"
    ]
  },
  "permissions": [
    "storage",
    "alarms",
    "https://*/*",
    "http://*/*",
    "tabs",
    "notifications",
    "https://www.twitch.tv/mickagamer",
    "https://api.twitch.tv/"
  ]
}