Add pyOpenSci badge

Author: paugier

README.md

@@ -4,6 +4,7 @@
 ![Supported Python versions](https://img.shields.io/pypi/pyversions/fluidimage.svg)
 [![Documentation status](https://readthedocs.org/projects/fluidimage/badge/?version=latest)](http://fluidimage.readthedocs.org)
 [![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/194)
 [![Code coverage](https://codecov.io/gh/fluiddyn/fluidimage/branch/branch%2Fdefault/graph/badge.svg)](https://codecov.io/gh/fluiddyn/fluidimage/branch/branch%2Fdefault/)
 [![Heptapod CI](https://foss.heptapod.net/fluiddyn/fluidimage/badges/branch/default/pipeline.svg)](https://foss.heptapod.net/fluiddyn/fluidimage/-/pipelines)
 [![Github Actions Linux](https://github.com/fluiddyn/fluidimage/actions/workflows/ci-linux.yml/badge.svg?branch=branch/default)](https://github.com/fluiddyn/fluidimage/actions/workflows/ci-linux.yml)