added GraphEditor

Author: Roberto De Ioris

Source/UnrealEnginePython/UnrealEnginePython.Build.cs

@@ -98,6 +98,7 @@ public UnrealEnginePython(TargetInfo Target)
                 "MovieSceneTracks",
                 "CinematicCamera",
                 "EditorStyle",
+                "GraphEditor",
                 "UMGEditor",
                 "AIGraph",
             });