feat(numeric): add fixed-width literals, bit math functions and the corresponding testing

Redcraft.Utility/Source/Public/Testing/NumericTesting.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "CoreTypes.h"
+
+NAMESPACE_REDCRAFT_BEGIN
+NAMESPACE_MODULE_BEGIN(Redcraft)
+NAMESPACE_MODULE_BEGIN(Utility)
+
+NAMESPACE_BEGIN(Testing)
+
+REDCRAFTUTILITY_API void TestNumeric();
+REDCRAFTUTILITY_API void TestLiteral();
+REDCRAFTUTILITY_API void TestBit();
+
+NAMESPACE_END(Testing)
+
+NAMESPACE_MODULE_END(Utility)
+NAMESPACE_MODULE_END(Redcraft)
+NAMESPACE_REDCRAFT_END