{
  "name": "map PWA",
  "short_name": "map",
  "description": "map PWA test",
  "scope": "/",
  "start_url": "/",
  "lang": "en-US",
  "display": "standalone",
  "background_color": "black",
  "theme_color": "black",
  "icons": [{
    "src": "images/icon_128.png",
      "sizes": "128x128",
      "type": "image/png"
    }, {
      "src": "images/icon_144.png",
      "sizes": "144x144",
      "type": "image/png"
    }, {
      "src": "images/icon_152.png",
      "sizes": "152x152",
      "type": "image/png"
    }, {
      "src": "images/icon_192.png",
      "sizes": "192x192",
      "type": "image/png"
    }, {
      "src": "images/icon_256.png",
      "sizes": "256x256",
      "type": "image/png"
    }, {
      "src": "images/icon_512.png",
      "sizes": "512x512",
      "type": "image/png"
    }]
}