feat: option to specify npx quartz sync message (closes #583)

Jacky Zhao

2023-11-12 cf6ab9e9333b5f76cb9e06f6687f2b4f8fbe91bd

 quartz/components/Explorer.tsx

@@ -86,7 +86,7 @@
  function Explorer({ allFiles, displayClass, fileData }: QuartzComponentProps) {
    constructFileTree(allFiles)
    return (
      <div class={`explorer ${displayClass}`}>
      <div class={`explorer ${displayClass ?? ""}`}>
        <button
          type="button"
          id="explorer"