manifest.json

{
    "name": "PromiViz",
    "description": "Visualize the JavaScript Promise APIs and learn. It is a playground to learn about promises faster, ever!",
    "short_name": "PromiViz",
    "start_url": "index.html",
    "display": "standalone",
    "background_color": "#fdfdfd",
    "theme_color": "#ffffff",
    "orientation": "portrait-primary",
    "icons": [
      {
        "src": "/images/icons/apple-touch-icon-72x72.png",
        "type": "image/png", "sizes": "72x72"
      },
      {
        "src": "/images/icons/apple-touch-icon-144x144.png",
        "type": "image/png", "sizes": "144x144"
      },
      {
        "src": "/images/icons/apple-touch-icon-152x152.png",
        "type": "image/png", "sizes": "152x152"
      },
      {
        "src": "./images/icons/android-chrome-192x192.png",
        "type": "image/png", "sizes": "192x192"
      },
      {
        "src": "./images/icons/android-chrome-384x384.png",
        "type": "image/png", "sizes": "384x384"
      }
    ]
  }