{
    "name": "Windows 12",
    "short_name": "Windows 12",
    "display": "standalone",
    "start_url": "/index.html",
    "prefer_related_applications":true,
    "background_color": "#000",
    "icons": [
      {
        "src": "logo.png",
        "sizes": "144x144",
        "type": "image/png"
      }
    ]
  }