Examine source code of SkarTiz

{
  "manifest_version": 2,
  "name": "SkarTiz",
  "author": "Stacked",
  "description": "Vous informe si SkarTiz est en live !",
  "version": "1.0.1",
  "browser_action": {
    "default_title": "SkarTiz",
    "default_icon": "img/profile_pic.jpg",
    "default_popup": "index.html"
  },
  "icons": {
    "64": "img/icon_64.jpg",
    "128": "img/icon_128.jpg"
  },
  "background": {
    "scripts": [
      "./js/jquery-3.4.1.min.js",
      "./js/background.js"
    ]
  },
  "permissions": [
    "storage",
    "notifications",
    "tabs",
    "http://*/*",
    "https://*/*"
  ]
}