Added link to plugin

Author: elarsen-amd

README.md

@@ -30,7 +30,8 @@ Included in this release
 * A basic graphical sample
 
 In a separate release, we provide a plugin for Unreal Engine and a demo that 
-demonstrates more advanced rendering of FEM objects.
+demonstrates more advanced rendering of FEM objects:
+https://github.com/GPUOpenSoftware/UnrealEngine/tree/FEMFX-4.18
 
 Dependencies
 The sample code has some dependencies on external frameworks which must be