one more entry in NEWS.md

Author: ufechner7

NEWS.md

@@ -4,6 +4,7 @@
 ### Changed
 - in the `menu.jl`, changed `help` to `help_me`. It works better now, no more warnings on Linux, it 
   should also work on MacOS now
+- the coordinate frames of the panels now use the same convention as the kite body frame
 
 ## VortexStepMethod v1.1.0 2025-03-04
 ### Added