missing requirement

Should be quite obvious, but still

Signed-off-by: Wim Fournier <git@fournier.nl>
Signed-off-by: wim.fournier <wim.fournier@adevinta.com>

docs/Getting-Started.md

@@ -7,6 +7,7 @@ This guide assumes you are familiar with Argo CD and its basic concepts. See the
 
 * Installed [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/) command-line tool
 * Have a [kubeconfig](https://kubernetes.io/docs/tasks/access-application-cluster/configure-access-multiple-clusters/) file (default location is `~/.kube/config`)
+* Installed git command-line tool
 
 ### Export a Git Token
 ```