Add Vulkan quad integration path

tests/RHI/integration/quad/Res/Shader/quad_vulkan.frag

@@ -0,0 +1,11 @@
+#version 450
+
+layout(set = 0, binding = 0) uniform texture2D uTexture;
+layout(set = 1, binding = 0) uniform sampler uSampler;
+
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 0) out vec4 fragColor;
+
+void main() {
+    fragColor = texture(sampler2D(uTexture, uSampler), vTexCoord);
+}