Examine source code of Shytoos Live

{
  "manifest_version": 2,
  "author": "Shytoos",
  "name": "Shytoos Live",
  "short_name": "Shytoos Live",
  "description": "Notifie lorsque Shytoos est en live.",
  "homepage_url": "https://shytoos.fr",
  "version": "6.0.6",
  "background": {
    "persistent": true,
    "scripts": [
      "js/libs/jquery.js",
      "js/libs/jquery.browser.min.js",
      "js/background.js"
    ]
  },
  "browser_action": {
    "default_title": "Shytoos - Hors-Ligne",
    "default_icon": "images/icon_off.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "32": "images/32.png",
    "64": "images/64.png",
    "128": "images/128.png"
  },
  "permissions": [
    "background",
    "notifications",
    "storage",
    "https://api.shytoos.fr/*",
    "https://i.ytimg.com/*"
  ],
  "options_ui": {
    "page": "popup.html?options"
  },
  "update_url": "https://clients2.google.com/service/update2/crx"
}