Add umlgen and package-drone to archived projects

Signed-off-by: mward <matt@eclipse.org>
diff --git a/archives.php b/archives.php
index a44ea6f..ab5026e 100644
--- a/archives.php
+++ b/archives.php
@@ -106,6 +106,7 @@
         <p><a href="http://archive.eclipse.org/archived_projects/ofmp.tgz">OFMP</a> project.  Archived: January 2012</p>
         <p><a href="http://archive.eclipse.org/archived_projects/omelet-project.tar.gz">OMELET</a> project.  Archived: August 2005</p>
         <p><a href="http://archive.eclipse.org/archived_projects/ormf.tgz">Ormf</a> project.  Archived: January 2011</p>
+        <p><a href="http://archive.eclipse.org/archived_projects/package-drone.tgz">Package-drone</a> project.  Archived: March 2021</p>
         <p><a href="http://archive.eclipse.org/archived_projects/papyrus-xtuml.tgz">Papyrus-xtuml</a> project.  Archived: September 2019</p>
         <p><a href="http://archive.eclipse.org/archived_projects/pave.tgz">Pave</a> project.  Archived: December 2012</p>
         <p><a href="http://archive.eclipse.org/archived_projects/phoenix.tgz">Phoenix</a> project.  Archived: February 2013 </p>
@@ -137,6 +138,7 @@
         <p><a href="http://archive.eclipse.org/archived_projects/tmw.tgz">TMW</a> project.  Archived: March 2012 </p>
         <p><a href="http://archive.eclipse.org/archived_projects/tptp.monitoring.tgz">TPTP Monitoring</a> project.  Archived: June 2010 </p>
         <p><a href="http://archive.eclipse.org/archived_projects/tptp.tgz">TPTP</a> project.  Archived: May 2016  </p>
+        <p><a href="http://archive.eclipse.org/archived_projects/umlgen.tgz">UMLGen</a> project.  Archived: March 2021 </p>
         <p><a href="http://archive.eclipse.org/archived_projects/umlx.tgz">Umlx</a> project.  Archived: December 2012 </p>
         <p><a href="http://archive.eclipse.org/archived_projects/ufacekit.tgz">UFacekit</a> project.  Archived: March 2014 </p>
         <p><a href="http://archive.eclipse.org/archived_projects/ve.tgz">Visual editor</a> project.  Archived: June 2011 </p>