update list of contributors

README.md

@@ -161,6 +161,10 @@ Thanks go to these people!
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/nforsg"><img src="https://github.com/nforsg.png" width="100px;" alt="Nils Forsgren"/><br /><sub><b>Nils Forsgren</b></sub></a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/foroughsh"><img src="https://github.com/foroughsh.png" width="100px;" alt="Forough Shahab Samani"/><br /><sub><b>Forough Shahab Samani</b></sub></a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ppplbngth"><img src="https://github.com/ppplbngth.png" width="100px;" alt="Bength Roland Pappila"/><br /><sub><b>Bength Roland Pappila</b></sub></a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Yuhu-kth"><img src="https://github.com/Yuhu-kth.png" width="100px;" alt="Yu Hu"/><br /><sub><b>Yu Hu</b></sub></a></td>
+    </tr>
+    <tr>
+       <td align="center" valign="top" width="14.28%"><a href="https://github.com/kingxiaofire"><img src="https://github.com/kingxiaofire.png" width="100px;" alt="Yan Wang"/><br /><sub><b>Yan Wang</b></sub></a></td>
     </tr>
   </tbody>
 </table>

docs/_docs/contributing.md

@@ -35,4 +35,5 @@ should be on the list but is not):
 - Arvid Lagerqvist, software development.
 - Nils Forsgren, software development.
 - Bength Roland Pappila, software development.
-- Yu Hu, software development.
+- Yu Hu, software development.
+- Yan Wang, software development.