{
  "name": "My Family Tree Builder",
  "short_name": "My Family Tree Builder",
  "start_url": "mainpage.aspx",
  "display": "standalone",
  "scope": "/",
  "background_color": "#000000",
  "theme_color": "#000000",
  "orientation": "portrait",
  "icons": [
    {
      "src": "assets/img/icon/72x72.png",
      "type": "image/png",
      "sizes": "72x72",
      "purpose": "any maskable"
    },
    {
      "src": "assets/img/icon/96x96.png",
      "type": "image/png",
      "sizes": "96x96",
      "purpose": "any maskable"
    },
    {
      "src": "assets/img/icon/128x128.png",
      "type": "image/png",
      "sizes": "128x128",
      "purpose": "any maskable"
    }
         
  ]
}