add blank material files

valve/pbr/halflife.wad/-C2A4_FLR6/-C2A4_FLR6.mat

@@ -0,0 +1,24 @@
+
+{
+"for" "-0C2A4_FLR6"
+//"basecolor_map" "-0C2A4_FLR6.png"
+//"normal_map" "-0C2A4_FLR6_normal.png"
+//"metal_map" "-0C2A4_FLR6_metal.png"
+//"roughness_map" "-0C2A4_FLR6_roughness.png"
+}
+
+{
+"for" "-1C2A4_FLR6"
+//"basecolor_map" "-1C2A4_FLR6.png"
+//"normal_map" "-1C2A4_FLR6_normal.png"
+//"metal_map" "-1C2A4_FLR6_metal.png"
+//"roughness_map" "-1C2A4_FLR6_roughness.png"
+}
+
+{
+"for" "-2C2A4_FLR6"
+//"basecolor_map" "-2C2A4_FLR6.png"
+//"normal_map" "-2C2A4_FLR6_normal.png"
+//"metal_map" "-2C2A4_FLR6_metal.png"
+//"roughness_map" "-2C2A4_FLR6_roughness.png"
+}