style: reformat code

Author: Sudrut

ec.config.mjs

@@ -4,4 +4,4 @@ import { pluginCxxMark } from "./src/plugins/expressive-code/cxx-mark.ts";
 /** @type {import('@astrojs/starlight/expressive-code').StarlightExpressiveCodeOptions} */
 export default {
   plugins: [pluginCxxMark()],
-}
+};