Update CHANGELOG.md

Author: gecko0307

CHANGELOG.md

@@ -4,6 +4,7 @@ Dagon 1.0.0-beta2 - 11 Apr, 2026
   - `dagon:jolt`:
     - New method `JoltPhysicsWorld.shapeCast`
     - Improved crouching logic in `JoltCharacterController` (now uses convex cast instead of ray cast to detect ceiling height above the head)
+    - New method `JoltCharacterController.onGround`
   - `dagon:nuklear`:
     - Fix regression bug.