docs: Add Aster's notebook to showcase.md (#912)

Aster Hu

2024-02-22 916aedce40864a485724d9df78879e8d130beab3

 quartz/styles/base.scss

@@ -53,6 +53,10 @@
  }
}

strong {
  font-weight: $semiBoldWeight;
}

a {
  font-weight: $semiBoldWeight;
  text-decoration: none;