NO BUG - Add bug tracking and communication sections to README. r=me

DONTBUILD

MozReview-Commit-ID: 2yah3fUKsDF

testing/marionette/doc/index.rst

@@ -30,14 +30,17 @@ For users
 
 See also:
 
-* Documentation for `Marionette Python Client <http://marionette-client.readthedocs.io>`_,
-  which is used in-tree to write many kinds of Marionette-based tests.
-* Documentation for `Firefox Puppeteer <http://firefox-puppeteer.readthedocs.io>`_,
-  which is used to in-tree to write Firefox UI tests.
+* Documentation for `Marionette Python client`_., which is used
+  in-tree to write many kinds of Marionette-based tests.
+* Documentation for `Firefox Puppeteer`_, which is used to in-tree
+  to write Firefox UI tests.
+
+.. _Marionette Python client: http://marionette-client.readthedocs.io
+.. _Firefox Puppeteer: http://firefox-puppeteer.readthedocs.io
 
 
-For marionette developers
-=========================
+For developers
+==============
 
 .. toctree::
    :maxdepth: 1
@@ -46,3 +49,22 @@ For marionette developers
    Debugging.md
    PythonTests.md
    SeleniumAtoms.md
+
+
+Bugs
+====
+
+Bugs are tracked in the `Testing :: Marionette` component.
+
+
+Communication
+=============
+
+The mailing list for discussion is tools-marionette@lists.mozilla.org
+(subscribe_, archive_).  If you prefer real-time chat, there
+is often someone in the #ateam IRC channel on irc.mozilla.org.
+Don’t ask if you can ask a question, just ask, and please wait
+for an answer as we might not be in your timezone.
+
+.. _subscribe: https://lists.mozilla.org/listinfo/tools-marionette
+.. _archive: https://groups.google.com/group/mozilla.tools.marionette