Update README.md

Add zenodo badge

README.md

@@ -17,6 +17,7 @@ These considerations allow our algorithms to be easily used in Machine Learning
 [![ColPrac: Contributor's Guide on Collaborative Practices for Community Packages](https://img.shields.io/badge/ColPrac-Contributor's%20Guide-blueviolet)](https://github.com/SciML/ColPrac)
 [![Coverage](https://codecov.io/gh/dominic-chang/Krang.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/dchang10/Krang.jl)
 [![status](https://joss.theoj.org/papers/378df5c54cd21e293b92ac692c21c0ed/status.svg)](https://joss.theoj.org/papers/378df5c54cd21e293b92ac692c21c0ed)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.13936258.svg)](https://doi.org/10.5281/zenodo.13936258)
 # Installation
 Launch your Julia session with then type `]` to move into Pkg mode. Once in pkg mode type
 ```julia