Merge pull request #240 from Team-RADDISH/mg/doi-readme

Add DOI badge to README.md

README.md

@@ -3,7 +3,7 @@
 [![Dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://team-raddish.github.io/ParticleDA.jl/dev/)
 [![Build Status](https://github.com/Team-RADDISH/ParticleDA.jl/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/Team-RADDISH/ParticleDA.jl/actions/workflows/ci.yml?query=branch%3Amaster)
 [![Coverage](https://codecov.io/gh/Team-RADDISH/ParticleDA.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/Team-RADDISH/ParticleDA.jl)
-
+[![DOI](https://zenodo.org/badge/232626497.svg)](https://zenodo.org/badge/latestdoi/232626497)
 
 `ParticleDA.jl` is a Julia package to run data assimilation with particle filter
 distributed using MPI.