Merge pull request #61 from CDJellen/user/cjellen/readme-joss-update

Update README.md

README.md

@@ -5,7 +5,7 @@
 
 [![Coverage Status](https://coveralls.io/repos/github/CDJellen/ndbc-api/badge.svg?branch=main)](https://coveralls.io/github/CDJellen/ndbc-api?branch=main)
 [![PyPI](https://img.shields.io/pypi/v/ndbc-api)](https://pypi.org/project/ndbc-api/#history)
-[![PyPI - Status](https://img.shields.io/pypi/status/ndbc-api)](https://pypi.org/project/ndbc-api/)
+[![DOI](https://joss.theoj.org/papers/10.21105/joss.07406/status.svg)](https://doi.org/10.21105/joss.07406)
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/ndbc-api)](https://pypi.org/project/ndbc-api/)
 [![LinkedIn](https://img.shields.io/badge/LinkedIn-0077B5?style=for-the-badge&logo=linkedin&logoColor=white&style=flat-square)](https://www.linkedin.com/in/cdjellen/)
 [![GitHub](https://img.shields.io/github/license/cdjellen/ndbc-api)](https://github.com/cdjellen/ndbc-api/blob/main/LICENSE)