add materials (mat) files and readme.md

cstrike/models/player/sas.mdl/sas.mdl.mat

@@ -0,0 +1,24 @@
+
+{
+"for" "#models/sas/Backpack2.mdl"
+"basecolor_map" "Backpack2.png"
+//"normal_map" "Backpack2_normal.png"
+//"metal_map" "Backpack2_metal.png"
+//"roughness_map" "Backpack2_roughness.png"
+}
+
+{
+"for" "#models/sas/Chrome1.mdl"
+"basecolor_map" "Chrome1.png"
+//"normal_map" "Chrome1_normal.png"
+//"metal_map" "Chrome1_metal.png"
+//"roughness_map" "Chrome1_roughness.png"
+}
+
+{
+"for" "#models/sas/SAS_DMBASE1.mdl"
+"basecolor_map" "SAS_DMBASE1.png"
+//"normal_map" "SAS_DMBASE1_normal.png"
+//"metal_map" "SAS_DMBASE1_metal.png"
+//"roughness_map" "SAS_DMBASE1_roughness.png"
+}