Update what's new

dist/preview release/what's new.md

@@ -3,8 +3,10 @@
 ## Major updates
 
 ## Updates
+### Core Engine
 - Add support for specifying the center of rotation to textures ([bghgary](http://www.github.com/bghgary))
-- Add support for KHR_texture_transform to glTF 2.0 loader ([bghgary](http://www.github.com/bghgary))
+### glTF Loader
+  - Add support for KHR_texture_transform ([bghgary](http://www.github.com/bghgary))
 
 ## Bug fixes