Examine source code of OpenGPT.com

{
  "manifest_version": 3,
  "name": "OpenGPT.com",
  "description": "Your Open AI Community",
  "version": "1.4",
  "icons": {
    "128": "128.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_icon": "asset/img/index.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8f32e1af-2cad-4dce-94e5-1b397e02056b}"
    }
  }
}