DocSpace-buildtools/public/manifest.json

{
  "short_name": "AppServer",
  "name": "Onlyoffice AppServer",
  "icons": [
    {
      "src": "appIcon.png",
      "sizes": "192x192",
      "type": "image/png"
    }
  ],
  "start_url": "/",
  "background_color": "#222",
  "theme_color": "#222",
  "display": "browser"
}