Update README.md

clicking the logo image opens website in another tab

README.md

@@ -1,7 +1,7 @@
 [![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit&logoColor=white)](https://pre-commit.com/) [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 <p align="center">
-    <img src="https://raw.githubusercontent.com/Farama-Foundation/PettingZoo/master/pettingzoo-text.png" width="500px"/>
+    <a href = "https://pettingzoo.farama.org/" target = "_blank"><img src="https://raw.githubusercontent.com/Farama-Foundation/PettingZoo/master/pettingzoo-text.png" width="500px"/> </a>
 </p>
 
 PettingZoo is a Python library for conducting research in multi-agent reinforcement learning, akin to a multi-agent version of [Gymnasium](https://github.com/Farama-Foundation/Gymnasium).