binario/layouts/index.manifest.json

{
  "name": "{{ .Site.Title }}",
  "short_name": "{{ .Site.Title }}",
  "display": "browser",
  "background_color": "#2a2a2a",
  "theme_color": "#1b1b1b",
  "icons": [
    {
      "src": "icons/192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "icons/512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}