Examine source code of Monce

{
  "author": "Zolwen",
  "background": {
    "persistent": true,
    "scripts": [
      "js/jquery.js",
      "js/jquery.browser.min.js",
      "js/main.js"
    ]
  },
  "browser_action": {
    "default_icon": "images/icon_off.png",
    "default_popup": "popup/popup.html",
    "default_title": "Monce - Hors-Ligne"
  },
  "content_scripts": [
    {
      "js": [
        "js/installed.js"
      ],
      "matches": [
        "https://monce.tv/*"
      ]
    }
  ],
  "description": "Notifie lorsque Monce stream et quand il sort une nouvelle vidéo!",
  "icons": {
    "128": "images/icon.png"
  },
  "manifest_version": 2,
  "name": "Monce",
  "options_ui": {
    "open_in_tab": true,
    "page": "settings/options.html"
  },
  "permissions": [
    "tabs",
    "background",
    "https://api.twitch.tv/kraken/streams?channel=*",
    "*://*.youtube.com/*",
    "*://*.ytimg.com/*",
    "*://yt3.ggpht.com/*",
    "*://*.googleapis.com/*",
    "notifications",
    "storage"
  ],
  "short_name": "Monce",
  "version": "1.0.2"
}