manifest.json

{
  "background_color": "#0043a9",
  "display": "standalone",
  "icons": [
    {
      "src": "img/icon.png",
      "sizes": "192x192",
      "type": "image/png"
    }
  ],
  "name": "Programa Concerts Musicaula",
  "short_name": "Concert",
  "start_url": "/"
}