add blank material files

bshift/pbr/models/w_357ammo.mdl/w_357ammo.mdl.mat

@@ -0,0 +1,16 @@
+
+{
+"for" "#models/w_357ammo/bulletCHROME.mdl"
+//"basecolor_map" "bulletCHROME.png"
+//"normal_map" "bulletCHROME_normal.png"
+//"metal_map" "bulletCHROME_metal.png"
+//"roughness_map" "bulletCHROME_roughness.png"
+}
+
+{
+"for" "#models/w_357ammo/speedload.mdl"
+//"basecolor_map" "speedload.png"
+//"normal_map" "speedload_normal.png"
+//"metal_map" "speedload_metal.png"
+//"roughness_map" "speedload_roughness.png"
+}