fixup! Add news entry for 2021 workshop

Author: rbuch

content/index.html

@@ -13,6 +13,7 @@
 		<div id="newsfeed">
 				<h6>News</h6>
 				<ul>
+                                  <li><a class="newsitem" href="/news#workshop2021">The 19th Annual Workshop on Charm++ and its Applications</a></li>
                                   <li><a class="newsitem" href="/news#charm6102">Charm++ Release 6.10.2</a></li>
                                   <li><a class="newsitem" href="/news#charm6101">Charm++ Release 6.10.1</a></li>
                                   <li><a class="newsitem" href="/news#charm6100">Charm++ Release 6.10.0</a></li>