added wiki page link in readme

README.md

@@ -17,6 +17,8 @@ The main steps of the pipeline are:
 - If DEG are found, annotation is performed using the database [GO](http://www.geneontology.org/) and [KEGG](https://www.genome.jp/kegg/).
 - A report is provided listing the main quality controls performed and the results found.
 
+Full description in the [wiki pages](https://gitlab.univ-nantes.fr/bird_pipeline_registry/srp-pipeline/-/wikis/home).
+
 System requirements
 -------------------