add blank material files

cstrike/pbr/de_airstrip.wad/-ikjungw/-ikjungw.mat

@@ -0,0 +1,24 @@
+
+{
+"for" "-0ikjungw"
+//"basecolor_map" "-0ikjungw.png"
+//"normal_map" "-0ikjungw_normal.png"
+//"metal_map" "-0ikjungw_metal.png"
+//"roughness_map" "-0ikjungw_roughness.png"
+}
+
+{
+"for" "-1ikjungw"
+//"basecolor_map" "-1ikjungw.png"
+//"normal_map" "-1ikjungw_normal.png"
+//"metal_map" "-1ikjungw_metal.png"
+//"roughness_map" "-1ikjungw_roughness.png"
+}
+
+{
+"for" "-2ikjungw"
+//"basecolor_map" "-2ikjungw.png"
+//"normal_map" "-2ikjungw_normal.png"
+//"metal_map" "-2ikjungw_metal.png"
+//"roughness_map" "-2ikjungw_roughness.png"
+}