add blank material files

cstrike/pbr/itsitaly.wad/-rockCobbleST/-rockCobbleST.mat

@@ -0,0 +1,16 @@
+
+{
+"for" "-0rockCobbleST"
+//"basecolor_map" "-0rockCobbleST.png"
+//"normal_map" "-0rockCobbleST_normal.png"
+//"metal_map" "-0rockCobbleST_metal.png"
+//"roughness_map" "-0rockCobbleST_roughness.png"
+}
+
+{
+"for" "-1rockCobbleST"
+//"basecolor_map" "-1rockCobbleST.png"
+//"normal_map" "-1rockCobbleST_normal.png"
+//"metal_map" "-1rockCobbleST_metal.png"
+//"roughness_map" "-1rockCobbleST_roughness.png"
+}