added missing item to readme
Merge branch 'master' of https://github.com/kerstin/metalab-git-workshop into kerstin-master

* 'master' of https://github.com/kerstin/metalab-git-workshop:
  added missing item to readme

Conflicts:
	README.md
Merge branch 'kerstin-master'

* kerstin-master:
  added missing item to readme