{
  "name": "Frettle: Fretboard Visualizer",
  "short_name": "Frettle",
  "description": "Free fretboard visualizer for guitar, bass and ukulele. See every note on the neck, chord shapes in any key, scales, a capo, and hear each note.",
  "start_url": "./",
  "scope": "./",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#121317",
  "theme_color": "#121317",
  "categories": ["music", "education"],
  "icons": [
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}