{
  "short_name": "Application name short",
  "name": "Application name",
 "icons": [
        { "src": "../img/icon-192.png", "type": "image/png", "sizes": "192x192" },
        { "src": "../img/icon-512.png", "type": "image/png", "sizes": "512x512" }
    ],
  "start_url": "/?utm_source=homescreen",
  "background_color": "#ffffff",
  "theme_color": "#ffffff"
}