.rst to .md README

Author: grgkaran03

README.md

@@ -86,4 +86,4 @@ taken to close/merge these PRs, and issues closed.
 For more information, please visit [the informational
 page](https://sustainable-open-science-and-software.github.io/) or
 download the [participant information
-sheet](https://sustainable-open-science-and-software.github.io/assets/PIS_sustainable_software.pdf).
+sheet](https://sustainable-open-science-and-software.github.io/assets/PIS_sustainable_software.pdf).