style: styling for codeblocks without langs (#527)

Jacky Zhao

2023-10-05 afa163f2fe9c52d4b3bf1a2e4d48887916b67c24

 quartz.config.ts

@@ -69,6 +69,7 @@
      }),
      Plugin.Assets(),
      Plugin.Static(),
      Plugin.NotFoundPage(),
    ],
  },
}