add blank material files

gearbox/pbr/models/flag.mdl/flag.mdl.mat

@@ -0,0 +1,24 @@
+
+{
+"for" "#models/flag/bmciv_flag.mdl"
+//"basecolor_map" "bmciv_flag.png"
+//"normal_map" "bmciv_flag_normal.png"
+//"metal_map" "bmciv_flag_metal.png"
+//"roughness_map" "bmciv_flag_roughness.png"
+}
+
+{
+"for" "#models/flag/tip2.mdl"
+//"basecolor_map" "tip2.png"
+//"normal_map" "tip2_normal.png"
+//"metal_map" "tip2_metal.png"
+//"roughness_map" "tip2_roughness.png"
+}
+
+{
+"for" "#models/flag/usmil_flag.mdl"
+//"basecolor_map" "usmil_flag.png"
+//"normal_map" "usmil_flag_normal.png"
+//"metal_map" "usmil_flag_metal.png"
+//"roughness_map" "usmil_flag_roughness.png"
+}