Update CONTRIBUTING.md

Author: davoell

.github/CONTRIBUTING.md

@@ -1,3 +1,4 @@
 ## Contributing
 Thank you for your interest in contributing to Quorum!
-Quorum is built on open source and we fully intend to accept public contributions in the near future. Until then, feel free to file issues and open pull requests, but note that we won't be merging them until the necessary processes are in place.
+
+Quorum is built on open source and we invite you to contribute enhancements. Upon review you will be required to complete a Contributor License Agreement (CLA) before we are able to merge. If you have any questions about the contribution process, please feel free to send an email to [quorum_info@jpmorgan.com](mailto:quorum_info@jpmorgan.com).