{ 
  "name": "Yst Portal App", 
  "short_name": "Yst Portal", 
  "start_url": "https://ystportal.pro/login.aspx?app=1", 
  "display": "standalone", 
  "background_color": "#ffffff", 
  "theme_color": "#000000", 
  "icons": [ 
    { 
      "src": "images/apple-touch-icon192.png", 
      "sizes": "192x192", 
      "type": "image/png" 
    }, 
    { 
      "src": "images/apple-touch-icon512.png", 
      "sizes": "512x512", 
      "type": "image/png" 
    } 
  ] 
}