Update README.md

Author: mariaob1201

README.md

@@ -13,6 +13,12 @@ This repository hosts a [MyST site](https://mystmd.org) that summarizes and pres
 
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+## Citation
+If you use this work, please cite us as
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.17379408.svg)](https://doi.org/10.5281/zenodo.17379408)
+
+---
+
 ## Repository Overview
 
 - **`docs/`** – Source files for the MyST site