doc: update template/contributors.ejs.

Author: github-actions[bot]

template/contributors.ejs

@@ -348,6 +348,9 @@
 <a href="https://github.com/rexlin600" title="rexlin600">
   <img src="https://avatars.githubusercontent.com/u/23032549?v=4" width="42;" alt="rexlin600"/>
 </a>
+<a href="https://github.com/sfwwslm" title="sfwwslm">
+  <img src="https://avatars.githubusercontent.com/u/77674552?v=4" width="42;" alt="sfwwslm"/>
+</a>
 <a href="https://github.com/shhch" title="shc">
   <img src="https://avatars.githubusercontent.com/u/46923522?v=4" width="42;" alt="shc"/>
 </a>