Update README.md

Author: simongravelle

README.md

@@ -1,5 +1,11 @@
 [![DOI](https://zenodo.org/badge/753982365.svg)](https://zenodo.org/doi/10.5281/zenodo.13342129)
 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+![Build Status](https://img.shields.io/github/actions/workflow/status/mdcourse/python-codes/ci.yml?branch=main)
+
+# Learn Molecular Simulations with Python
+
+This repository contains the Python code associated with the [Learn Molecular Simulations with Python](https://mdcourse.github.io/) project.
+The most recent version of the code is located in the [python-codes/](python-codes/) folder.
 
 # Learn Molecular Simulations with Python