Add link to calendar from FAQ

Author: olaservo

docs/community/working-interest-groups.mdx

@@ -119,7 +119,7 @@ Lead and Core Maintainers reserve the right to modify the list of Facilitators a
 
 These IG and WG abstractions help provide an elegant on-ramp:
 
-1. [Join the Discord](/community/communication#discord) and follow conversations in IGs relevant to you. Attend live calls. Participate.
+1. [Join the Discord](/community/communication#discord) and follow conversations in IGs relevant to you. Attend [live calls](https://meet.modelcontextprotocol.io/). Participate.
 2. Offer to facilitate calls. Contribute your use cases in SEP proposals and other work.
 3. When you're comfortable contributing to deliverables, jump in to contribute to WG work.
 4. Active and valuable contributors will be nominated by WG maintainers as new maintainers.