{ "name": "Porcentajes Pro", "short_name": "Porcentajes", "description": "Calculadora completa de porcentajes: variaciones, descuentos, IVA, margen, propina, interés. Sin conexión.",
  "display": "standalone", "background_color": "#000000", "theme_color": "#007aff", "start_url": "./", "scope": "./", "lang": "es",
  "icons": [ { "src": "icon.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }, { "src": "icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "icon-180.png", "sizes": "180x180", "type": "image/png" } ] }