{ "name": "MET-Lage Erkunder", "short_name": "MET-Lage", "start_url": "/", "display": "standalone",
  "background_color": "#ffffff", "theme_color": "#b91c1c",
  "icons": [ { "src": "/static/icon-192.png", "sizes": "192x192", "type": "image/png" },
             { "src": "/static/icon-512.png", "sizes": "512x512", "type": "image/png" },
             { "src": "/static/icon.svg", "sizes": "any", "type": "image/svg+xml" } ] }