{ "name": "문제샘", "short_name": "문제샘", "start_url": "/", "display": "standalone", "background_color": "#f3f1ec", "theme_color": "#1d2433",
  "icons": [ { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/icon-512.png", "sizes": "370x370", "type": "image/png" } ] }