add materials (mat) files and readme.md

cstrike/models/p_c4.mdl/p_c4.mdl.mat

@@ -0,0 +1,24 @@
+
+{
+"for" "#models/p_c4/c4base.mdl"
+"basecolor_map" "c4base.png"
+//"normal_map" "c4base_normal.png"
+//"metal_map" "c4base_metal.png"
+//"roughness_map" "c4base_roughness.png"
+}
+
+{
+"for" "#models/p_c4/c4timer.mdl"
+"basecolor_map" "c4timer.png"
+//"normal_map" "c4timer_normal.png"
+//"metal_map" "c4timer_metal.png"
+//"roughness_map" "c4timer_roughness.png"
+}
+
+{
+"for" "#models/p_c4/c4wires.mdl"
+"basecolor_map" "c4wires.png"
+//"normal_map" "c4wires_normal.png"
+//"metal_map" "c4wires_metal.png"
+//"roughness_map" "c4wires_roughness.png"
+}