{
    "lang" : "en",
    "name" : "",
    "scope" : "/",
    "display": "standalone",
    "start_url" : "/app_login",
    "short_name" : "",
    "description" : "",
    "orientation" : "portrait",
    "background_color": "",
    "theme_color": "",
    "generated" : "true",
      "icons": [
       
        {
          "src": "/images/",
          "sizes": "192x192",
          "type": "image/png"
        },
       
        {
          "src": "/images/",
          "sizes": "512x512",
          "type": "image/jpg"
        }
      ]
    }