Added a message about the 3rd party panel list wiki page

Author: robhudson

README.rst

@@ -192,6 +192,13 @@ adding proper coverage (especially if it has a chance for a regression) in the t
 
     python setup.py test
 
+
+3rd Party Panels
+================
+
+A list of 3rd party panels can be found on the Django Debug Toolbar Github wiki:
+https://github.com/django-debug-toolbar/django-debug-toolbar/wiki/3rd-Party-Panels
+
 TODOs and BUGS
 ==============
 See: https://github.com/django-debug-toolbar/django-debug-toolbar/issues