{
  "name": "Chord Graph",
  "short_name": "Chord Graph",
  "description": "Interactive music theory visualizations — circle of fifths, chord progressions, Tonnetz, voicings & more.",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#0a0a0a",
  "theme_color": "#0a0a0a",
  "icons": [
    {
      "src": "icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "og-image.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    }
  ],
  "categories": ["education", "music"],
  "lang": "en"
}