Examine source code of Clicker

{
  "manifest_version": 3,
  "name": "Clicker",
  "version": "2.0",
  "description": "Simple clicker extension",
  "action": {
    "default_popup": "index.html",
    "default_icon": "icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "clicker@gamedev015.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}