Examine source code of Game Cool Email Generator

{
  "manifest_version": 3,
  "name": "🎮 Game Console Cool Email Generator",
  "version": "1.0.0",
  "description": "Type your name to get a cool, gamer-style email for game sign-ups.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icon.png"
    }
  },
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bui9huyungx942@hotmail.com"
    }
  }
}