Update revealjs-formats.yml

Add unm-revealjs: University of New Mexico inspired RevealJS theme for Quarto presentations.

Author: Data-Wise

docs/extensions/listings/revealjs-formats.yml

@@ -61,3 +61,8 @@
   path: https://github.com/cct-datascience/uaz-revealjs
   author: '[CCT Data Science Team](https://github.com/cct-datascience)'
   description: University of Arizona inspired theme for revealjs
+
+- name: unm-revealjs
+  path: https://github.com/Data-Wise/unm-revealjs
+  author: '[Data-Wise](https://github.com/Data-Wise)'
+  description: A custom RevealJS theme inspired by the University of New Mexico branding