Added GitHub link under Development section of navigation
diff --git a/src/includes/topbar.hbs b/src/includes/topbar.hbs
index 7342922..c24dcff 100644
--- a/src/includes/topbar.hbs
+++ b/src/includes/topbar.hbs
@@ -61,6 +61,7 @@
<li><a href="developer-guide.html">Developer Guide</a></li>
<li><a href="https://gitbox.apache.org/repos/asf/nifi.git"><i class="fa fa-external-link external-link"></i>Source</a></li>
<li><a href="https://issues.apache.org/jira/browse/NIFI"><i class="fa fa-external-link external-link"></i>Issues</a></li>
+ <li><a href="https://github.com/apache/nifi"><i class="fa fa-external-link external-link"></i>GitHub</a></li>
</ul>
</li>
<li class="has-dropdown">
