{
 "name": "SIGMA",
 "short_name": "SIGMA",
 "icons": [
  {"src": "icon-192.png", "sizes": "192x192", "type": "image/png"},
  {"src": "icon-512.png", "sizes": "512x512", "type": "image/png"}
 ],
 "theme_color": "#001429",
 "background_color": "#001429",
 "display": "browser"
}