Add "aufsatz" template for academic reports (#1988)

* Add "aufsatz" template for academic reports

---------

Co-authored-by: Christophe Dervieux <christophe.dervieux@gmail.com>

Author: sebastiansauer

docs/extensions/listings/custom-formats.yml

@@ -10,6 +10,12 @@
   description: >
     PDF format for high quality academic manuscripts
 
+- name: aufsatz
+  path: https://github.com/sebastiansauer/quarto-typst-academic-template
+  author: '[sebastiansauer](https://github.com/sebastiansauer)'
+  description: |
+    Quarto template for academic reports via Typst
+
 - name: awesomecv-typst
   path: https://github.com/kazuyanagimoto/quarto-awesomecv-typst
   author: '[Kazuharu Yanagimoto](https://github.com/kazuyanagimoto)'