twrpme: update to use zulip for contacting for maintainership

Change-Id: Ib817ffb4b8806a5264e1eefa538dfdfb57c52add
diff --git a/_faq/OfficialMaintainer.markdown b/_faq/OfficialMaintainer.markdown
index adc4ac5..8e6ae10 100644
--- a/_faq/OfficialMaintainer.markdown
+++ b/_faq/OfficialMaintainer.markdown
@@ -47,4 +47,4 @@
 - [ ] screenshot
 - [ ] partition SD card
 </pre>
-<li>Use our <a href="https://twrp.me/contactus/">Contact Us</a> page to send your repository to use for official inclusion at twrp.me.</li>
+<li>Use our <a href="http://tiny.cc/TWRP-Zulip">Zulip</a> to send your repository to use for official inclusion at twrp.me. Ping in support for details.</li>