add wad and map files

valve/pbr/halflife.wad/-[C2A3_GAR]/-[C2A3_GAR].mat

@@ -17,10 +17,14 @@
 
 {
 "for" "C2A3_GAR3"
-//"basecolor_map" "C2A3_GAR3.png"
+"basecolor_map" "C2A3_GAR3.png"
 //"normal_map" "C2A3_GAR3_normal.png"
+//"normal_map" "C2A3_GAR3_normal_1024.png"
+"normal_map" "C2A3_GAR3_normal_512.png"
 //"metal_map" "C2A3_GAR3_metal.png"
 //"roughness_map" "C2A3_GAR3_roughness.png"
+//"roughness_map" "C2A3_GAR3_roughness_1024.png"
+"roughness_map" "C2A3_GAR3_roughness_512.png"
 }
 
 {