{
  "name": "Market Heatmap",
  "short_name": "Heatmap",
  "description": "Interactive treemap showing real-time stock market data for S&P 500, Nasdaq 100, Dow Jones 30, and WSB trending tickers.",
  "start_url": ".",
  "display": "standalone",
  "background_color": "#0a0a0a",
  "theme_color": "#0a0a0a",
  "orientation": "any",
  "categories": ["finance", "business"],
  "icons": [
    {
      "src": "favicon-16x16.png",
      "sizes": "16x16",
      "type": "image/png"
    },
    {
      "src": "favicon-32x32.png",
      "sizes": "32x32",
      "type": "image/png"
    },
    {
      "src": "favicon-48x48.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "apple-touch-icon.png",
      "sizes": "180x180",
      "type": "image/png"
    },
    {
      "src": "icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    }
  ],
  "screenshots": [],
  "prefer_related_applications": false
}