Update README.md with eossr link

README.md

+# This project is now part of the [eossr library](https://gitlab.in2p3.fr/escape2020/wp3/)
+
+
 # ZenodoCI
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.4786641.svg)](https://doi.org/10.5281/zenodo.4786641)
 [![pipeline status](https://gitlab.in2p3.fr/escape2020/wp3/zenodoci/badges/master/pipeline.svg)](
@@ -160,4 +163,4 @@ how to easily create a `codemeta.json` file.
 Last but not least ! Please note that during the CI pipeline the `zenodoci` module will search for a `codemeta.json` file
 and will automatically create the equivalent file to provide metadata to the Zenodo repository. The `.zenodo.json` file
 will contain the exactly same information that in the `codemeta.json` file but using the Zenodo syntax. 
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