Update README.md

README.md

@@ -9,7 +9,13 @@ Involving key implementers and editors of the existing standards, this Interoper
 
 The IE will produce the semantic umbrella and an OGC engineering report summarizing the achievements and listing the potential adjustments to be made on the pre-existing standards so that the system as a whole is at the end coherent. 
 
-## Contributing
+## Participate
+The GitHub [wiki](https://github.com/opengeospatial/boreholeie/wiki) contains a 
+- meeting index page with connexion details for the webconf to come, core notes,
+- a page to describe your use cases
+- and many other useful info
+
+## Contributing to the GitHub repository
 
 Contributions to the BoreholeIE repository can be made in one of two ways. For users familiar with git and github, contributions can be made through [a pull request](https://github.com/opengeospatial/boreholeie/pulls) from a fork of the repository. For users not familiar with git and github, contributions can be made by [submitting an issue](https://github.com/opengeospatial/boreholeie/issues) describing where your contribution can be found and someone will help add the content through a pull request.