app.webmanifest

{
  "name": "OpenNote",
  "short_name": "OpenNote",
  "description": "An open-source, offline-capable note-taking application, designed to capture and share your ideas freely and efficiently, anytime, anywhere.",

  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#3f51b5",
  "icons": [
    {
      "src": "/android-chrome-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/android-chrome-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}