Update README.md

README.md

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 <img src="moldesign/_notebooks/img/Header.png">
 [![PyPI version](https://badge.fury.io/py/moldesign.svg)](https://badge.fury.io/py/moldesign) <a href="https://badge.fury.io/gh/Autodesk%2Fmolecular-design-toolkit" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: rgb(70, 61, 84);">
                                     <img src="https://badge.fury.io/gh/Autodesk%2Fmolecular-design-toolkit.svg" alt="GitHub version" height="20">&nbsp;
-                                </a> <a href="https://github.com/autodesk/molecular-design-toolkit/blob/master/LICENSE" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: rgb(70, 61, 84);"><img src="https://img.shields.io/badge/license-Apache%202-blue.svg"> </a>
+                                </a> <a href="https://github.com/autodesk/molecular-design-toolkit/blob/master/LICENSE" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: rgb(70, 61, 84);"><img src="https://img.shields.io/badge/license-Apache%202-blue.svg"> </a> [![Gitter](https://badges.gitter.im/molecular-design-toolkit/Lobby.svg)](https://gitter.im/molecular-design-toolkit/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 **Try it now:** [![Binder](http://mybinder.org/badge.svg)](http://mybinder.org:/repo/avirshup/mdt-gallery-test)