docs: credit @aJV99 for Wayland GDK_BACKEND fix (#397)

Co-Authored-By: Claude <claude@anthropic.com>

Author: aaddrick

README.md

@@ -234,6 +234,7 @@ Special thanks to:
 - **[hfyeh](https://github.com/hfyeh)** for diagnosing the Ubuntu 24.04 AppArmor unprivileged-userns block on Cowork bwrap and contributing the AppArmor profile workaround
 - **[davidamacey](https://github.com/davidamacey)** for identifying and fixing the XRDP GPU compositing blank-window issue on remote desktop sessions
 - **[pb3ck](https://github.com/pb3ck)** for diagnosing the Cowork `CLAUDE_CODE_OAUTH_TOKEN` env-strip bug with a working reference diff
+- **[aJV99](https://github.com/aJV99)** for exporting `GDK_BACKEND=wayland` in native Wayland mode to fix XWayland fallback blur on HiDPI displays
 
 ## Sponsorship