{   "$schema": "https://json.schemastore.org/web-manifest-combined.json",
                    "display": "standalone",
                    "start_url": "/",
                    "name": "Shop",
                    "short_name": "OS Manifest",
                    "icons": [
                        {
                            "src": "/icon-192x192.png",
                            "sizes": "192x192",
                            "type": "image/png"
                        },
                        {
                            "src": "/icon-256x256.png",
                            "sizes": "256x256",
                            "type": "image/png"
                        },
                        {
                            "src": "/icon-384x384.png",
                            "sizes": "384x384",
                            "type": "image/png"
                        },
                        {
                            "src": "/icon-512x512.png",
                            "sizes": "512x512",
                            "type": "image/png"
                        }
                    ]
                }