Add logo for and archive entry for Madison PHP 2016 conference

Author: srgoogleguy

archive/archive.xml

@@ -9,6 +9,7 @@
     <uri>http://php.net/contact</uri>
     <email>[email protected]</email>
   </author>
+  <xi:include href="entries/2016-06-03-1.xml"/>
   <xi:include href="entries/2016-06-02-1.xml"/>
   <xi:include href="entries/2016-05-30-1.xml"/>
   <xi:include href="entries/2016-05-26-3.xml"/>