docs: Add Mau Camargo's Notkesto to showcase (#570)

Mau Camargo

2023-11-05 e806c30fa1a7ab941969da01c05ac4adeeeeeb9e

 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"