Moved shaders to new directory

shaders/hlsl/textoverlay/text.vert

@@ -0,0 +1,21 @@
+// Copyright 2020 Google LLC
+
+struct VSInput
+{
+[[vk::location(0)]] float2 Pos : POSITION0;
+[[vk::location(1)]] float2 UV : TEXCOORD0;
+};
+
+struct VSOutput
+{
+	float4 Pos : SV_POSITION;
+[[vk::location(0)]] float2 UV : TEXCOORD0;
+};
+
+VSOutput main(VSInput input)
+{
+	VSOutput output = (VSOutput)0;
+	output.Pos = float4(input.Pos, 0.0, 1.0);
+	output.UV = input.UV;
+	return output;
+}