Add the Gitter shield to README
MODIFY
README.rst
README.rst
@@ -25,6 +25,10 @@ urllib3
:alt: Bountysource
:target: https://www.bountysource.com/trackers/192525-urllib3?utm_source=192525&utm_medium=shield&utm_campaign=TRACKER_BADGE
+.. image:: https://badges.gitter.im/python-urllib3/Lobby.svg
+ :alt: Gitter
+ :target: https://gitter.im/python-urllib3/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+
urllib3 is a powerful, *sanity-friendly* HTTP client for Python. Much of the
Python ecosystem already uses urllib3 and you should too.
urllib3 brings many critical features that are missing from the Python

Add the Gitter shield to README (#1367)