[dev] Meeting: Zebra Nexthop Group Sync Up

To those interested, There will be a Zebra Nexthop Group Meeting this Friday, September 20th 10am EST. The purpose is to go through the code flow of this PR: https://github.com/FRRouting/frr/pull/4897 and sync up on future zebra dataplane work. We will host it on Donalds bluejeans link: https://bluejeans.com/9192742159 Thanks, sworley