Clarify that Tableau Support is available for this library

users may work through github OR through Tableau Support with questions.

Author: jacalata

index.md

@@ -6,6 +6,7 @@ indexed_by_search: false
 <header class="jumbotron hero-spacer text-center">
     <h1>Tableau Server Client (Python)</h1>
     <p>The Tableau Server Client is a Python library for the Tableau Server REST API.</p>
+    <p><b>This library is fully supported by Tableau Support.</b> Issues can be raised here on github for possibly quicker responses, and the ability to get help from other users - customers with access to Tableau Support can also choose to create a support case for assistance in troubleshooting the library and identifying bugs or gaps in the functionality for more guaranteed response times.</p>
     <br />
     <a class="btn btn-primary btn-lg" href="{{ site.baseurl }}/docs" role="button">Get Started</a>&nbsp;&nbsp;
     <a class="btn btn-primary btn-lg" href="https://github.com/tableau/server-client-python/archive/master.zip" role="button">Download</a>