Merge pull request modelcontextprotocol#1645 from tadasant/tadasant/loosen-maintainer-nom-process

Add exception to nomination process to allow Group maintainers to grow maintainer pools

Author: olaservo

docs/community/governance.mdx

@@ -144,8 +144,9 @@ The MCP project maintains a [public Discord server](/community/communication#dis
 
 ### Nomination and Removal
 
-- Core Maintainers are responsible for adding and removing maintainers. They will take the consideration of existing maintainers into account.
 - The lead maintainers are responsible for adding and removing core maintainers.
+- Core maintainers are responsible for adding and removing maintainers. They will take the consideration of existing maintainers into account.
+- If a Working or Interest Group with 2+ existing maintainers unanimously agrees to add additional maintainers (up to a maximum of 5), they may do so without core maintainer review.
 
 #### Nomination Process