Add LabKit project
LabKit is minimalist library to provide functionality for Go services at GitLab: https://gitlab.com/gitlab-org/labkit
This adds LabKit to the project list and also defines the initial maintainers.
The initial maintainers, volunteered from this slack thread https://gitlab.slack.com/archives/C3GAUSL85/p1542735958028400 are:
- @andrewn
- @zj
- @SteveAzz
- @hphilipps
cc line-managers for visibility: @tommy.morgan, @erushton, @Finotto
Edited by Andrew Newdigate