{
  "name": "TestApp",
  "short_name": "Test",
  "description": "Just a test",
  "start_url": "/",
  "icons": [
    {
      "src": "192.png",
      "type": "image/png",
      "sizes": "512x512"
    },
    {
      "src": "192.png",
      "type": "image/png",
      "sizes": "512x512"
    },
    {
      "src": "avatar.jpg",
      "sizes": "any"
    }
  ],
  "theme_color": "#eeffee",
  "background_color": "#eeffee",
  "display": "fullscreen"
}