refactor(*): refactor the tool library's namespace to plural form

Redcraft.Utility/Source/Public/Templates/Variant.h

@@ -479,7 +479,7 @@ struct TVariantVisitImpl
 			for (size_t Index = 0; Index < sizeof...(VariantTypes); ++Index)
 			{
 				Result *= VariantNums[Index];
-				Result += Range::Begin(Indices)[Index];
+				Result += Ranges::Begin(Indices)[Index];
 			}
 
 			return Result;