Add default Lefthook config file
This MR adds Lefthook configuration file similar to the one we have for GitLab https://docs.gitlab.com/ee/development/contributing/style_guides.html#pre-push-static-analysis-with-lefthook
Edited by Dmitry Gruzd
This MR adds Lefthook configuration file similar to the one we have for GitLab https://docs.gitlab.com/ee/development/contributing/style_guides.html#pre-push-static-analysis-with-lefthook