Team handbook
Fixes #268 (closed)
Brought team handbook (https://docs.google.com/a/gitlab.com/document/d/1YaRZGWCMuPYL3c8M1wknRxyS5352otj_xGc9ws8-nDs/edit#heading=h.7byzvdqkdjgx) into /team-handbook.
Fixes #268 (closed)
Brought team handbook (https://docs.google.com/a/gitlab.com/document/d/1YaRZGWCMuPYL3c8M1wknRxyS5352otj_xGc9ws8-nDs/edit#heading=h.7byzvdqkdjgx) into /team-handbook.