Moved shaders to new directory

shaders/hlsl/deferredshadows/shadow.vert

@@ -0,0 +1,15 @@
+// Copyright 2020 Google LLC
+
+struct VSOutput
+{
+	float4 Pos : SV_POSITION;
+[[vk::location(0)]] int InstanceIndex : TEXCOORD0;
+};
+
+VSOutput main([[vk::location(0)]] float4 Pos : POSITION0, uint InstanceIndex : SV_InstanceID)
+{
+	VSOutput output = (VSOutput)0;
+	output.InstanceIndex = InstanceIndex;
+	output.Pos = Pos;
+	return output;
+}