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

Mau Camargo

2023-11-05 e806c30fa1a7ab941969da01c05ac4adeeeeeb9e

 quartz/components/styles/footer.scss

@@ -1,6 +1,8 @@
footer {
  text-align: left;
  opacity: 0.8;
  margin-bottom: 4rem;
  opacity: 0.7;

  & ul {
    list-style: none;
    margin: 0;