{
  "background_color": "#ffffff",
  "dir": "ltr",
  "display": "standalone",
  "orientation": "portrait-primary",
  "name": "kosplatform",
  "scope": "/",
  "short_name": "kosplatform",
  "start_url": "/index",
  "theme_color": "#ffffff",
  "icons": [
    {
      "src": "./pwa_img/icon_512.png",
      "sizes": "512x512",
      "type": "image/png"
    },
    {
      "src": "./pwa_img/icon_256.png",
      "sizes": "256x256",
      "type": "image/png"
    },
    {
      "src": "./pwa_img/icon_128.png",
      "sizes": "128x128",      
      "type": "image/png"
    }
  ] 
}