add blank material files

gearbox/pbr/models/w_displacer.mdl/w_displacer.mdl.mat

@@ -0,0 +1,16 @@
+
+{
+"for" "#models/w_displacer/p_displacer_body.mdl"
+//"basecolor_map" "p_displacer_body.png"
+//"normal_map" "p_displacer_body_normal.png"
+//"metal_map" "p_displacer_body_metal.png"
+//"roughness_map" "p_displacer_body_roughness.png"
+}
+
+{
+"for" "#models/w_displacer/p_displacer_cyl.mdl"
+//"basecolor_map" "p_displacer_cyl.png"
+//"normal_map" "p_displacer_cyl_normal.png"
+//"metal_map" "p_displacer_cyl_metal.png"
+//"roughness_map" "p_displacer_cyl_roughness.png"
+}