Implement the extension GL_EXT_spirv_intrinsics

- Add support of SPIR-V execution mode qualifiers.
- Add support of SPIR-V storage class qualifier.
- Add support of SPIR-V decorate qualifiers.
- Add support of SPIR-V type specifier.
- Add support of SPIR-V intruction qualifiers.
- Add support of spirv_by_reference/spirv_literal parameter qualifier.
- Add shader stage macros introduced by this extension.

Test/spv.intrinsicsSpirvStorageClass.rchit

@@ -0,0 +1,12 @@
+#version 460
+
+#extension GL_EXT_spirv_intrinsics: enable
+
+#define rayPayloadEXT spirv_storage_class(extensions = ["SPV_KHR_ray_tracing"], capabilities = [5353], 5338)
+
+layout(location = 1) rayPayloadEXT vec4 payload;
+
+void main()
+{
+    payload = vec4(0.0, 1.0, 0.0, 1.0);
+}