Examine source code of ZeratoR

{
  "manifest_version": 3,
  "name": "ZeratoR",
  "description": "Soyez au courant quand votre streameur préféré commence à streamer!",
  "version": "2.6.3",
  "browser_specific_settings": {
    "gecko": {
      "id": "zerator@ulas-atila.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "notifications",
    "alarms",
    "storage"
  ],
  "host_permissions": [
    "https://ulas-atila.com/*",
    "https://api.twitch.tv/*"
  ],
  "action": {
    "default_icon": "iconoff48.png"
  },
  "icons": {
    "16": "iconoff16.png",
    "48": "iconoff48.png",
    "128": "iconoff128.png"
  }
}