Create index.md

Author: sjdkay

index.md

@@ -0,0 +1,13 @@
+---
+layout: lesson
+root: .  # Is the only page that doesn't follow the pattern /:path/index.html
+permalink: index.html  # Is the only page that doesn't follow the pattern /:path/index.html
+---
+> ## Prerequisites
+> Knowledge of CERN ROOT and/or Python/RDataFrames
+> This tutorial follows other tutorial in the EIC series:
+> - [Setting Up Your Environment](https://eic.github.io/tutorial-setting-up-environment/)
+>
+{: .prereq}
+
+{% include links.md %}