update README.zh-CN.md [skip ci]

README.zh-CN.md

@@ -332,6 +332,7 @@
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://5k.work/"><img src="https://avatars.githubusercontent.com/u/82694310?v=4?s=100" width="100px;" alt="Mxmilu"/><br /><sub><b>Mxmilu</b></sub></a><br /><a href="https://github.com/Eugeny/tabby/commits?author=Mxmilu666" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/RiccardoManzan"><img src="https://avatars.githubusercontent.com/u/59048102?v=4?s=100" width="100px;" alt="Riccardo Manzan"/><br /><sub><b>Riccardo Manzan</b></sub></a><br /><a href="https://github.com/Eugeny/tabby/commits?author=RiccardoManzan" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>