Add ElixirConf US 2024 (#1763)

Author: jfreeze

_includes/events.html

@@ -1,4 +1,11 @@
-<!-- <div class="widget events">
+<div class="widget events">
   <h3 class="widget-title">Upcoming events</h3>
-  
-</div> -->
+  <a href="https://2024.elixirconf.com/">
+    <img src="https://2022.elixirconf.com/images/resources/elixirconf-logo.svg" alt="ElixirConf" />
+    <br />
+    <ul>
+      <li><b>Aug 27-30, 2024</b> - Orlando, FL.</li>
+      <li><b>10 training classes, 60+ speakers</b></li>
+    </ul>
+  </a>
+</div>

_includes/important-links.html

@@ -25,14 +25,16 @@ <h3 class="widget-title">Join the Community</h3>
     <li><a class="spec" href="http://elixirforum.com">Elixir Forum</a></li>
     <li><a class="spec" href="https://elixir-slack.community">Elixir on Slack</a></li>
     <li><a class="spec" href="https://discord.gg/elixir">Elixir on Discord</a></li>
-    <li><a class="spec" href="https://github.com/elixir-lang/elixir/wiki/Code-Editor-Support">IDE/Editor support</a></li>
+    <li><a class="spec" href="https://github.com/elixir-lang/elixir/wiki/Code-Editor-Support">IDE/Editor support</a>
+    </li>
     <li><a class="spec" href="https://www.meetup.com/topics/elixir/">Meetups around the world</a></li>
-    <li><a class="spec" href="https://github.com/elixir-lang/elixir/wiki/Hiring-Elixir-Developers">Jobs and hiring (community wiki)</a></li>
+    <li><a class="spec" href="https://github.com/elixir-lang/elixir/wiki/Hiring-Elixir-Developers">Jobs and hiring
+        (community wiki)</a></li>
     <li><a class="spec" href="https://github.com/elixir-lang/elixir/wiki">Events and resources (community wiki)</a></li>
   </ul>
 </div>
 
 <div id="eef" class="widget">
   <a href="https://erlef.org/" title="Join the Erlang Ecosystem Foundation"><img src="/images/logo/eef.png"
       alt="Join the Erlang Ecosystem Foundation" width="174" style="margin-top:-10px" /></a>
-</div>
+</div>