docs: improve tutorial overview page

Author: davidekete

website/docs/tutorials/overview.md

@@ -9,4 +9,5 @@ sidebar_label: Overview
 This section offers hands-on guides for Litmus users to experiment with various tools and environments. It does not cover any detailed installation guides, however, you can find them in the [Getting Started](../getting-started/installation.md) section.
 
 ### [Let's Start with Podtato-head](podtato-head.md)
+
 A guide on injecting a pod-delete fault into a pod in the [podtato-head](https://github.com/cncf/podtato-head) microservice and test its availability during the chaos.