Added the icpc wf website

Author: iMylene

website/about.shtml

@@ -36,7 +36,7 @@ needs.</p>
     <a href="http://socalcontest.org/">SOCAL</a> (since 2013),
     <a href="http://org.coloradomesa.edu/~wmacevoy/rmrc/2014/">RMRC</a> (since 2014),
     <a href="http://www.sppregional.org/">South Pacific Regional</a></li>
-<li>ICPC World Finals (since 2012, in 2018 and 2019 as main system)</li>
+<li>ICPC <a href="https://worldfinals.icpc.global/">World Finals</a> (since 2012, in 2018 and 2019 as main system)</li>
 </ul>
 
 <p>DOMjudge has also been adapted for use in numerous online contests, as