{
    "name": "Calcola Energia",
    "short_name": "EcoCalc",
    "start_url": "/index.php",
    "display": "standalone",
    "background_color": "#0f172a",
    "theme_color": "#0f172a",
    "icons": [
      {
        "src": "https://cdn-icons-png.flaticon.com/512/3104/3104620.png",
        "sizes": "512x512",
        "type": "image/png"
      }
    ]
  }