Add alexanderweichart.de to showcase.md (#1378)

Alexander Weichart

2024-09-16 b1c60b8833840229adf18b6e6c1507cfeff2527a

 quartz/components/scripts/util.ts

@@ -3,6 +3,7 @@
  function click(this: HTMLElement, e: HTMLElementEventMap["click"]) {
    if (e.target !== this) return
    e.preventDefault()
    e.stopPropagation()
    cb()
  }