{ "name": "Epson TM-T20III Printer Test", "short_name": "EpsonTest", "theme_color": "#3498db", "background_color": "#ffffff", "display": "standalone", "orientation": "any", "scope": "./", "start_url": "./", "icons": [ { "src": "assets/icons/icon-192x192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" }, { "src": "assets/icons/icon-512x512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }, { "src": "favicon.ico", "sizes": "64x64 32x32 24x24 16x16", "type": "image/x-icon" } ] }