change test files that do not end in .txt to view via GitHub

1992/ant/.entry.json

@@ -46,7 +46,7 @@
 	    "inventory_order" : 150,
 	    "OK_to_edit" : true,
 	    "display_as" : "text",
-	    "display_via_github" : false,
+	    "display_via_github" : true,
 	    "entry_text" : "am man page"
 	},
 	{

1992/ant/index.html

@@ -185,7 +185,7 @@ P1003 subcommittee.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/ant/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/ant/ant.orig.c">ant.orig.c</a> - original source</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/ant/try.sh">try.sh</a> - how to run</li>
-<li><a href="ant.README">ant.README</a> - am man page</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/ant/ant.README">ant.README</a> - am man page</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/ant/ant.test.mk">ant.test.mk</a> - how to compile</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>