{
  "name": "ling",
  "short_name": "ling",
  "start_url": "/app/",
  "display": "standalone",
  "background_color": "#f5f5f7",
  "theme_color": "#f5f5f7",
  "icons": [{
    "src": "/apple-icon.png",
    "sizes": "180x180",
    "type": "image/png"
  }]
}