update manifest for 2001/westley and thanks-for-help HTML

Leo added the missing `2001/westley/card.gif`.

Form `thanks-for-help.html` from modified `thanks-for-help.md`.

2001/westley/.entry.json

@@ -45,6 +45,14 @@
             "display_via_github" : true,
             "entry_text" : "original source code"
         },
+        {
+            "file_path" : "card.gif",
+            "inventory_order" : 100,
+            "OK_to_edit" : true,
+            "display_as" : "image",
+            "display_via_github" : false,
+            "entry_text" : "image of punch cards"
+        },
         {
             "file_path" : "try.sh",
             "inventory_order" : 100,

2001/westley/index.html

@@ -627,6 +627,7 @@ all legal C.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/westley/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/westley/westley.alt.c">westley.alt.c</a> - alternate source code</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/westley/westley.orig.c">westley.orig.c</a> - original source code</li>
+<li><a href="card.gif">card.gif</a> - image of punch cards</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/westley/try.sh">try.sh</a> - script to try entry</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>