Examine source code of 1Win Game

{
  "manifest_version": 2,
  "name": "1Win Game Add-on",
  "version": "1.0",
  "description": "Quick access to 1Win Game download and registration.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4e85ddb9-4031-4af9-8c00-b9581e23f767}"
    }
  }
}