Adding a simple example demonstrating how to use SBT record data

data/shaders/glsl/raytracingsbtdata/miss.rmiss

@@ -0,0 +1,9 @@
+#version 460
+#extension GL_EXT_ray_tracing : enable
+
+layout(location = 0) rayPayloadInEXT vec3 hitValue;
+
+void main()
+{
+    // for now, we do nothing in the miss program
+}