add texcoord to layout

hw3d/Mesh.cpp

@@ -245,6 +245,7 @@ std::unique_ptr<Mesh> Model::ParseMesh( Graphics& gfx,const aiMesh& mesh,const a
 		VertexLayout{}
 		.Append( VertexLayout::Position3D )
 		.Append( VertexLayout::Normal )
+		.Append( VertexLayout::Texture2D )
 	) );
 
 	for( unsigned int i = 0; i < mesh.mNumVertices; i++ )