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

1998/schweikh2/index.html

@@ -318,6 +318,9 @@ href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh2/Ma
 <li><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh2/schweikh2.orig.c">schweikh2.orig.c</a>
 - original source</li>
+<li><a
+href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1998/schweikh2/try.sh">try.sh</a>
+- how to run</li>
 <li><a href="1998_schweikh2.tar.bz2">1998_schweikh2.tar.bz2</a> -
 download winning source</li>
 </ul>