Update README.md

README.md

@@ -5,6 +5,7 @@
 [![ecosystem](https://img.shields.io/badge/Qiskit-Ecosystem-blueviolet)](https://github.com/qiskit-community/ecosystem)
 ![Tests](https://github.com/Pitt-JonesLab/mirror-gates/actions/workflows/tests.yml/badge.svg?branch=main)
 ![Format Check](https://github.com/Pitt-JonesLab/mirror-gates/actions/workflows/format-check.yml/badge.svg?branch=main)
+[![DOI](https://zenodo.org/badge/630172381.svg)](https://zenodo.org/doi/10.5281/zenodo.10208066)
 <a href="https://colab.research.google.com/github/Pitt-JonesLab/mirror-gates/blob/main/mirage_demo.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>
 
 ## 📌 Project Overview