Mention the Ruby on Rails gem

index.html

@@ -112,6 +112,7 @@
                             <h2>Integration</h2>
                         </header>
                         <ul class="integration">
+                            <li><a href="https://github.com/mikemarsian/conversejs-rails" target="_blank">Ruby on Rails</a></li>
                             <li><a href="http://github.com/collective/collective.xmpp.chat" target="_blank">Plone</a></li>
                             <li><a href="https://pypi.python.org/pypi/django-conversejs" target="_blank">Django (option 1)</a></li>
                             <li><a href="https://github.com/fpytloun/django-xmpp" target="_blank">Django (option 2)</a></li>