change .path files to be loaded from GitHub

2019/yang/index.html

@@ -304,7 +304,7 @@ the same name, the character who is highly skilled in writing letters.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/README.md">README.md</a> - markdown source for this web page</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/.entry.json">.entry.json</a> - description of entry in JSON</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
-<li><a href=".path">.path</a> - directory path from top directory</li>
+<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/yang/.path">.path</a> - directory path from top directory</li>
 </ul>
 
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