Added new DNS::Resolve static method and organized it per OS.

include/ehs/io/socket/DNS_W32.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "BaseDNS.h"
+
+namespace ehs
+{
+	class DNS final : public BaseDNS
+	{
+	public:
+		static Str_8 Resolve(AddrType type, const Str_8 &hostname);
+
+		static Str_8 Resolve(const Str_8 &hostname);
+	};
+}