add pyOpenSci repo to README.md (#415)

Author: slayoo

README.md

@@ -29,6 +29,7 @@ If interested in contributing to PyPartMC, please have a look a the [notes for d
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.7662635.svg)](https://doi.org/10.5281/zenodo.7662635)
 [![PyPI version](https://badge.fury.io/py/PyPartMC.svg)](https://pypi.org/p/PyPartMC)
 [![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/#active)
+[![pyOpenSci Peer-Reviewed](https://pyopensci.org/badges/peer-reviewed.svg)](https://github.com/pyOpenSci/software-review/issues/179)
 
 [![Python 3](https://img.shields.io/static/v1?label=Python&logo=Python&color=3776AB&message=3)](https://www.python.org/)
 [![Linux OK](https://img.shields.io/static/v1?label=Linux&logo=Linux&color=yellow&message=%E2%9C%93)](https://en.wikipedia.org/wiki/Linux)