refactor(governor): create replicaset in a sepparate step

assigned to @gmoshkin

approved this merge request

added 3 commits

• 84d85a83 - docs: review clustering.md and update glossary
• e2f78e54 - fix(governor): don't promote masters after vshard.*.cfg
• 7384686f - refactor(governor): create replicaset in a sepparate step

Compare with previous version

changed target branch from refactor/async-network to master

enabled an automatic merge when the pipeline for 7384686f succeeds

merged