add blank material files

bshift/pbr/models/bskull_template1.mdl/bskull_template1.mdl.mat

@@ -0,0 +1,16 @@
+
+{
+"for" "#models/bskull_template1/SKL_Face1.mdl"
+//"basecolor_map" "SKL_Face1.png"
+//"normal_map" "SKL_Face1_normal.png"
+//"metal_map" "SKL_Face1_metal.png"
+//"roughness_map" "SKL_Face1_roughness.png"
+}
+
+{
+"for" "#models/bskull_template1/SKL_Side1.mdl"
+//"basecolor_map" "SKL_Side1.png"
+//"normal_map" "SKL_Side1_normal.png"
+//"metal_map" "SKL_Side1_metal.png"
+//"roughness_map" "SKL_Side1_roughness.png"
+}