{ "name": "Bootstrap", "short_name": "Bootstrap", "icons": [ { "src": "/assets/img/favicons/android-chrome-192x192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/assets/img/favicons/android-chrome-512x512.png", "sizes": "512x512", "type": "image/png" } ], "start_url": "/", "theme_color": "#563d7c", "background_color": "#563d7c", "display": "standalone" }