Add related to topic "git"

Author: shaedrich

topics/git/index.md

@@ -8,5 +8,6 @@ short_description: Git is the most widely used version control system.
 topic: git
 url: https://git-scm.com/
 wikipedia_url: https://en.wikipedia.org/wiki/Git
+related: vcs, github, bitbucket, gitlab, gitops, gitflow, svn
 ---
-Git is the most widely used version control system, which allows for the tracking and managing of source code over time. It was designed for collaboration and built to be flexible, secure and efficient.
+**Git** is the most widely used version control system, which allows for the tracking and managing of source code over time. It was designed for collaboration and built to be flexible, secure and efficient.