add materials (mat) files and readme.md

valve/sprites/explode1.spr/explode1.spr.mat

@@ -0,0 +1,45 @@
+
+{
+"for" "#sprites/explode1(frame:00).spr"
+"basecolor_map" "Frame 0.png"
+}
+
+{
+"for" "#sprites/explode1(frame:01).spr"
+"basecolor_map" "Frame 1.png"
+}
+
+{
+"for" "#sprites/explode1(frame:02).spr"
+"basecolor_map" "Frame 2.png"
+}
+
+{
+"for" "#sprites/explode1(frame:03).spr"
+"basecolor_map" "Frame 3.png"
+}
+
+{
+"for" "#sprites/explode1(frame:04).spr"
+"basecolor_map" "Frame 4.png"
+}
+
+{
+"for" "#sprites/explode1(frame:05).spr"
+"basecolor_map" "Frame 5.png"
+}
+
+{
+"for" "#sprites/explode1(frame:06).spr"
+"basecolor_map" "Frame 6.png"
+}
+
+{
+"for" "#sprites/explode1(frame:07).spr"
+"basecolor_map" "Frame 7.png"
+}
+
+{
+"for" "#sprites/explode1(frame:08).spr"
+"basecolor_map" "Frame 8.png"
+}