Examine source code of Shop Name Suggester

{
  "manifest_version": 3,
  "name": "Shop Name Suggester",
  "version": "1.0",
  "description": "Suggests creative names for online shops selling household products like scissors, knives, and pots.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "128": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "x4melvamcvaymyvz21@hotmail.com"
    }
  }
}