Examine source code of Goueland

{
  "manifest_version": 2,
  "name": "Goueland",
  "short_name": "Notifications Twitch",
  "description": "Génère une notification lorsque Goueland passe en live sur Twitch.",
  "version": "1.0.4",
  "author": "Rajal",
  "permissions": [
    "http://*/*",
    "https://*/*",
    "notifications",
    "tabs",
    "storage"
  ],
  "browser_action": {
    "default_icon": "img/logo_184.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "64": "img/logo_64.png",
    "128": "img/logo_128.png"
  },
  "background": {
    "scripts": [
      "js/app.js",
      "js/jquery.js",
      "js/config.js",
      "js/background.js"
    ]
  }
}