* feature: add peer sync and a server public key endpoints
* test: add Management.Sync() gRpc endpoint test
* feat: implement peer sync
* docs: added some comments to the Management server
* chore: use for loop over channel when monitoring peer updates
* fix: exit infinite loop when sending updates to peers
* test: add multiple concurrent peers test for management service
* chore: remove unused test
* fix: reduce the amount peers for a concurrent peer update test
Co-authored-by: braginini <m.bragin@wiretrustee.com>
