Update cheatsheet.md

adding blank space between examples

content/en/docs/reference/kubectl/cheatsheet.md

@@ -374,6 +374,7 @@ Examples using `-o=custom-columns`:
 ```bash
 # All images running in a cluster
 kubectl get pods -A -o=custom-columns='DATA:spec.containers[*].image'
+
 # All images running in namespace: default, grouped by Pod
 kubectl get pods --namespace default --output=custom-columns="NAME:.metadata.name,IMAGE:.spec.containers[*].image"