Add Element Room Explorer FAQ entry (#2014)

Author: GReagle

pages/services/chat.html

@@ -68,6 +68,9 @@ <h4>What happens when I remove a message in Element?</h4>
 <h4>Why do XMPP users keep joining and leaving all the time?</h4>
 <p><a href="https://github.com/matrix-org/matrix-bifrost/issues/63">It's an issue with the XMPP bridge</a>.</p>
 
+<h4>I'm not using the PrivacyTools homeserver, can I find PrivacyTools rooms in Element?</h4>
+<p>Yes! Open the room explorer (compass icon on Element desktop), click the server selection drop down next to the search bar, click "Add a new server", type <code>privacytools.io</code>, and click Add. You should then be able to view and search through rooms that the PrivacyTools server is aware of. Note that not every room hosted on PrivacyTools is affiliated with or moderated by the PrivacyTools team.</p>
+
 <h2 class="pt-4">Rooms</h2>
 <p>To join a room, just type <code>/join [room address]</code> in any room. You can run this command from any server, not just ours!</p>
 <p>The PrivacyTools administration operates the following channels:</p>