{ "name": "Ballenjacht", "short_name": "Ballenjacht", "start_url": "./", "display": "fullscreen",
  "orientation": "any", "background_color": "#7FC4E8", "theme_color": "#5CA637",
  "icons": [ { "src": "icon-192.png", "sizes": "192x192", "type": "image/png" },
             { "src": "icon-512.png", "sizes": "512x512", "type": "image/png" } ] }