Examine source code of Auto-Fill Assistant

{
  "manifest_version": 3,
  "name": "Auto-Fill Assistant",
  "version": "1.0",
  "description": "Beyond standard browser auto-fill, this addon allows users to create custom profiles for various forms, including complex ones, and fill them with a single click. It can store multiple sets of credentials and personal information securely.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "auto-fill_assistant.png"
  },
  "icons": {
    "128": "auto-fill_assistant.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sportsh8111994evdzy@hotmail.com"
    }
  }
}