Add a new category for chairs in the GOVERNANCE (#3636)

* Add a new category for chairs in the GOVERNANCE

Include a category called chairs (after discussing with the existing maintainers), that are still associated with the project in terms of shepherding the direction/governance of the project.

GOVERNANCE.md

@@ -72,6 +72,26 @@ depend on and trust to make decisions in the best interest of the project.
 
 Maintainers have admin access to the GitHub organization.
 
+### Chairs
+
+OpenEBS Chairs comprises of key current maintainers, maintainers that have stepped 
+down from active contributions but are providing support to the existing maintainers
+in the form of: 
+* Open Source Governance of the project
+* Coaching on leadership and prioritization for the existing maintainers
+* Facilitate reviews/audits on the project, resolve conflicts between maintainers. 
+
+Chairs will meet quarterly along with the maintainers to review the health of the 
+project and publicly document the outcomes.
+
+An active user or maintainer of the OpenEBS project can be nominated by the existing 
+maintainers and/or chairs into a Chair role, if they are helping with any of the above 
+activities. 
+
+A Chair can be removed from an active role if: 
+* They are no longer able to contribute to the above responsibilities. 
+* They are not alinged with the [CODE_OF_CONDUCT](./CODE_OF_CONDUCT.md) guidelines set forth by CNCF. 
+
 ## Adding a reviewer or maintainer 
 
 Periodically, the existing maintainers curate a list of contributors that have