add command git tag

README.md

@@ -18,6 +18,8 @@ This is a short README to our git workshop.
 - `git merge <branch>`: This command merges the specified branch into the current branch.
 - `git branch -m <new_name>`: This command renames the current branch.
 
+## Create tags
+- `git tag -a v1.4 -m 'version 1.4'`: This command defines a new version 1.4
 ## Getting started
 
 To make it easy for you to get started with GitLab, here's a list of recommended next steps.