{
    "name": "ct",
    "short_name": "ct",
    "description": "ct",
    "start_url": "/",
    "display": "standalone",
    "background_color": "#ffffff",
    "theme_color": "#000000",
    "icons": [
      {
        "src": "/icons/20x20.png",
        "sizes": "20x20",
        "type": "image/png"
      },
      {
        "src": "/icons/40x40.png",
        "sizes": "40x40",
        "type": "image/png"
      },
      {
        "src": "/icons/144x144.png",
        "sizes": "144x144",
        "type": "image/png"
      },
      {
        "src": "/icons/180x180.png",
        "sizes": "180x180",
        "type": "image/png"
      },
      {
        "src": "/icons/192x192.png",
        "sizes": "192x192",
        "type": "image/png"
    }
    ]
  }