Examine source code of Secure Password Generator

{
  "manifest_version": 2,
  "name": "Password Generator",
  "version": "1.0",
  "description": "Generate secure passwords with customizable options.",
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icons/password-icon.png"
    }
  },
  "icons": {
    "128": "icons/password-icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sparashar2002@gmail.com",
      "strict_min_version": "58.0"
    }
  }
}