Add a README

Author: lstoll

README.md

@@ -0,0 +1,12 @@
+# Socket.IO chat example for Heroku
+
+Config updated to run on heroku, and transport set to xhr-polling with a 20s timeout
+
+You can see it in action at: http://socket-io-chat.herokuapp.com/
+
+## Deploying
+
+    heroku create -s cedar
+    git push heroku master
+
+Enjoy!