{
  "icons": [
    {"src": "/icon-192.png", "sizes": "192x192", "type": "image/png"},
    {"src": "/icon-mask.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable"},
    {"src": "/icon-512.png", "sizes": "512x512", "type": "image/png"}
  ]
}