{
  "name": "BILL BOOK - Advanced Billing",
  "short_name": "BillBook",
  "start_url": "./index.html",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#6c5ce7",
  "icons": [
    {
      "src": "asset/bill_book_logo.PNG",
      "sizes": "192x192",
      "type": "image/png/PNG"
    }
  ]
}