{
  "name": "Agenda Telefónica",
  "short_name": "Agenda",
  "start_url": "/index.html",
  "display": "standalone",
  "background_color": "#f9f9f9",
  "theme_color": "#007bff",
  "icons": [
    {
      "src": "https://www.w3.org/TR/appmanifest/images/icon-192.png", 
      "sizes": "192x192",
      "type": "image/png"
    }
  ]
}