{ "name": "Neptune Home", "short_name": "Neptune Home", "start_url": "/", "display": "browser", "background_color": "#f2f2f2", "theme_color": "#f2f2f2", "lang": "en", "icons": [ { "src": "assets/brand/icon.png", "sizes": "1024x1024", "type": "image/png" } ] }