{
    "name": "DogTracker",
    "short_name": "DogTracker",
    "start_url": "./index.html",
    "display": "standalone",
    "background_color": "#F4F4F4",
    "theme_color": "#F4F4F4", 
    "orientation": "portrait-primary",
    "icons": [
      {
        "src": "./images/logo-72.png",
        "type": "image/png", 
        "sizes": "72x72"
      },
      {
        "src": "./images/logo-96.png",
        "type": "image/png",
        "sizes": "96x96"
      },
      {
        "src": "./images/logo-128.png",
        "type": "image/png",
        "sizes": "128x128"
      },
      {
        "src": "./images/logo-144.png",
        "type": "image/png",
        "sizes": "144x144"
      }
    ]
  }