Rename zh READMEs.

index.html

@@ -88,8 +88,8 @@ <h3>
       <li><a href="https://github.com/CIDRAM/Docs/blob/master/readme.ru.md" hreflang="ru" lang="ru">Русский</a></li>
       <li><a href="https://github.com/CIDRAM/Docs/blob/master/readme.ur.md" hreflang="ur" lang="ur">اردو</a></li>
       <li><a href="https://github.com/CIDRAM/Docs/blob/master/readme.vi.md" hreflang="vi" lang="vi">Tiếng Việt</a></li>
-      <li><a href="https://github.com/CIDRAM/Docs/blob/master/readme.zh.md" hreflang="zh" lang="zh">中文（简体）</a></li>
-      <li><a href="https://github.com/CIDRAM/Docs/blob/master/readme.zh-TW.md" hreflang="zh-TW" lang="zh-TW">中文（傳統）</a></li>
+      <li><a href="https://github.com/CIDRAM/Docs/blob/master/readme.zh-Hans.md" hreflang="zh-Hans" lang="zh-Hans">中文（简体）</a></li>
+      <li><a href="https://github.com/CIDRAM/Docs/blob/master/readme.zh-Hant.md" hreflang="zh-Hant" lang="zh-Hant">中文（傳統）</a></li>
     </ul>
 
     <p>
@@ -130,7 +130,7 @@ <h3>
       <small>
         <a href="https://github.com/CIDRAM/CIDRAM/graphs/contributors">Contributors</a> | <a href="https://github.com/orgs/CIDRAM/people">People</a><br />
         Hosted on GitHub Pages &mdash; Theme by <a href="https://github.com/orderedlist">orderedlist</a> (modified).<br />
-        <em>Last modified: <time datetime="2024-03-18">2024.03.18</time>.</em>
+        <em>Last modified: <time datetime="2024-07-01">2024.07.01</time>.</em>
       </small>
     </p>
   </footer>