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

include/ehs/io/socket/DNS_LNX.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "BaseDNS.h"
+#include "ehs/EHS.h"
+#include "ehs/Str.h"
+#include "Socket.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);
+    };
+}