{ "name": "Leotech OS", "short_name": "Leotech OS", "start_url": "/", "display": "standalone",
  "background_color": "#0A1B33", "theme_color": "#0A1B33",
  "icons": [{ "src": "/logo.png", "sizes": "any", "type": "image/png", "purpose": "any" }] }