{  "name": "Prijsdaler.nl",  "short_name": "Prijsdaler",  "description": "Elke dag de grootste prijsdalingen bij Nederlandse webwinkels.",  "lang": "nl",  "start_url": "/",  "scope": "/",  "display": "standalone",  "theme_color": "#ffffff",  "background_color": "#ffffff",  "icons": [    {      "src": "/android-chrome-192x192.png",      "sizes": "192x192",      "type": "image/png"    },    {      "src": "/android-chrome-512x512.png",      "sizes": "512x512",      "type": "image/png"    }  ]}