Add Help Center and Support Ticket links to the README (#457)

Author: childish-sambino

README.rst

@@ -64,13 +64,6 @@ guide <https://www.twilio.com/docs/libraries/python/migration-guide>`__
 for information on upgrading your application using twilio-python 5.x to
 6.x
 
-Feedback
---------
-
-Report any feedback or problems with this Release Candidate to the
-`Github Issues <https://github.com/twilio/twilio-python/issues>`__ for
-twilio-python.
-
 Getting Started
 ---------------
 
@@ -158,4 +151,11 @@ To control phone calls, your application needs to output
 Docker Image
 ~~~~~~~~~~~~
 
-The `Dockerfile` present in this repository and its respective `twilio/twilio-python` Docker image are currently used by Twilio for testing purposes only.
+The ``Dockerfile`` present in this repository and its respective ``twilio/twilio-python`` Docker image are currently used by Twilio for testing purposes only.
+
+Getting help
+~~~~~~~~~~~~
+
+If you need help installing or using the library, please check the `Twilio Support Help Center <https://support.twilio.com>`__ first, and `file a support ticket <https://twilio.com/help/contact>`__ if you don't find an answer to your question.
+
+If you've instead found a bug in the library or would like new features added, go ahead and open issues or pull requests against this repo!