Merge pull request #3253 from nest/add-openssf-scorecard-badge

Add OpenSSF Scorecard badge to README

README.md

@@ -2,6 +2,7 @@
 
 [![Documentation](https://img.shields.io/readthedocs/nest-simulator?logo=readthedocs&logo=Read%20the%20Docs&label=Documentation)](https://nest-simulator.org/documentation)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/2218/badge)](https://bestpractices.coreinfrastructure.org/projects/2218)
+[![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/nest/nest-simulator/badge)](https://scorecard.dev/viewer/?uri=github.com/nest/nest-simulator)
 [![License](http://img.shields.io/:license-GPLv2+-green.svg)](http://www.gnu.org/licenses/gpl-2.0.html)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.10834751.svg)](https://doi.org/10.5281/zenodo.10834751)