Adds sidebar links to mailing lists, IRC, and meetups and social events.
llvm-svn: 372488
<ul class="want-points">
<li><a href="https://llvm.org/docs/Contributing.html">Contributing to LLVM</a></li>
<li><a href="https://llvm.org/docs/HowToSubmitABug.html">How to submit a bug</a></li>
+ <li><a href="https://llvm.org/docs/GettingInvolved.html#mailing-lists">Mailing Lists</a></li>
+ <li><a href="https://llvm.org/docs/GettingInvolved.html#irc">IRC</a></li>
+ <li><a href="https://llvm.org/docs/GettingInvolved.html#meetups-and-social-events">Meetups and social events</a></li>
</ul>
<h3>Additional Links</h3>