RWGltf → Visualization Relation

File in src/DataExchange/TKDEGLTF/RWGltf	Includes file in src/Visualization
RWGltf_GltfAccessor.hxx	TKService / Graphic3d / Graphic3d_BndBox3d.hxx
RWGltf_MaterialCommon.hxx	TKService / Image / Image_Texture.hxx