Examine source code of Extension Twitch THZ

{
  "manifest_version": 2,
  "name": "Extension Twitch THZ",
  "description": "Vous informe si il y a un live",
  "version": "1.0",
  "browser_action": {
    "default_popup": "index.html"
  },
  "icons": {
    "64": "img/icon_red.png"
  },
  "background": {
    "scripts": [
      "jquery.js",
      "background.js"
    ]
  }
}