test: add webhook test comment to README

Author: daniel-lxs

README.md

@@ -35,7 +35,7 @@
 - [简体中文](locales/zh-CN/README.md)
 - [繁體中文](locales/zh-TW/README.md)
 - ...
-  </details>
+    </details>
 
 ---
 
@@ -183,4 +183,6 @@ Thanks to all our contributors who have helped make Roo Code better!
 
 ---
 
-**Enjoy Roo Code!** Whether you keep it on a short leash or let it roam autonomously, we can’t wait to see what you build. If you have questions or feature ideas, drop by our [Reddit community](https://www.reddit.com/r/RooCode/) or [Discord](https://discord.gg/roocode). Happy coding!
+**Enjoy Roo Code!** Whether you keep it on a short leash or let it roam autonomously, we can't wait to see what you build. If you have questions or feature ideas, drop by our [Reddit community](https://www.reddit.com/r/RooCode/) or [Discord](https://discord.gg/roocode). Happy coding!
+
+<!-- Test change for webhook verification -->