Merge pull request #344 from tableau/KeshiaRose-patch-1

Fix Forum link

Author: bcantoni

_includes/header.html

@@ -18,7 +18,7 @@
             <li><a href="{{ site.baseurl }}/docs/index.html" target="_blank">API Reference</a></li>
             <li><a href="{{ site.baseurl }}/docs/trex_examples.html">Samples</a></li>
             <li><a href="{{ site.baseurl }}/community/">Community Extensions</a></li>
-            <li><a target="_blank" href="https://community.tableau.com/community/developers/extensions-api">Forum</a></li>
+            <li><a target="_blank" href="https://community.tableau.com/s/topic/0TO4T000000QFALWA4/extensions-api">Forum</a></li>
             <li><a href="{{ site.baseurl }}/docs/trex_release-notes.html">Release Notes</a></li>
           </ul>
           <ul class="nav navbar-nav navbar-right">