Summary

Implement the /lgtm command mentioned in SEP-2148: MCP Contributor Ladder.

Context

From the contributor ladder specification, Members should be able to use the /lgtm command on PRs (line 101):

• Can use /lgtm command on PRs

This command is inspired by the Kubernetes community which has similar commands.

Reference

• PR SEP-2148: MCP Contributor Ladder #2148 - Contributor Ladder SEP
• Review comment from @Kludex asking about this command