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

Alexander Weichart

2024-09-16 b1c60b8833840229adf18b6e6c1507cfeff2527a

 .prettierrc

@@ -2,5 +2,6 @@
  "printWidth": 100,
  "quoteProps": "as-needed",
  "trailingComma": "all",
  "tabWidth": 2
  "tabWidth": 2,
  "semi": false
}