{
  "name": "e-kame web", 
  "short_name": "e-kame web",
  "display": "standalone", 
  "start_url": "/",
  "icons":[
    {
      "src": "/img/logo180.png",
      "sizes": "180x180",
      "type": "image/png"
    },
    {
      "src": "/img/logo192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/img/logo512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}