Rename 2020/ferguson2/encrypted.html enigma.html

Updated manifest and rebuilt html files.

2020/ferguson2/index.html

@@ -466,7 +466,7 @@ out! Can you figure out why this works this way?</p>
 <ul>
 <li>Some useful information about <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/recode.c">recode.c</a></li>
 </ul></li>
-<li>[encrypted.html][]
+<li>[enigma.html][]
 <ul>
 <li>NOTE: see <a href="recode.html">recode.html</a> (or <a href="recode.html">recode.html</a> for details about how to decrypt this!</li>
 </ul></li>
@@ -1086,7 +1086,7 @@ email but I’m more likely to respond to mastodon messages.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/prog.alt.c">prog.alt.c</a> - alternate code</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/prog.orig.c">prog.orig.c</a> - original source</li>
-<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/encrypted.html">encrypted.html</a> - secret message in a html file to decrypt</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2020/ferguson2/enigma.html">enigma.html</a> - secret message in a html file to decrypt</li>
 <li><a href="input.txt">input.txt</a> - sample input</li>
 <li><a href="obfuscation.html">obfuscation.html</a> - about the obfuscation of this entry</li>
 <li><a href="obfuscation.txt">obfuscation.txt</a> - about the obfuscation of this entry - encrypted with entry</li>