Examine source code of bxakid

{
  "description": "Extension qui notifie quand bxakid est en ligne",
  "manifest_version": 2,
  "name": "bxakid",
  "version": "1.1",
  "icons": {
    "16": "icons/bxIcon16.png",
    "48": "icons/bxIcon48.png",
    "128": "icons/bxIcon128.png"
  },
  "permissions": [
    "https://api.twitch.tv/*",
    "https://id.twitch.tv/*",
    "notifications"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/bxIcon16.png",
      "48": "icons/bxIcon48.png",
      "128": "icons/bxIcon128.png"
    }
  },
  "web_accessible_resources": [
    "icons/bxIcon.png"
  ],
  "background": {
    "scripts": [
      "jquery-3.4.1.min.js",
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "jquery-3.4.1.min.js"
      ]
    }
  ]
}