update index.html and .winner.json per recent manifest changes

1996/rcm/index.html

@@ -190,6 +190,9 @@ href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/rcm/Makefile
 <li><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/rcm/rcm.orig.c">rcm.orig.c</a>
 - original source</li>
+<li><a
+href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/rcm/try.sh">try.sh</a>
+- how to run</li>
 <li><a href="1996_rcm.tar.bz2">1996_rcm.tar.bz2</a> - download winning
 source</li>
 </ul>