NetworkPkg/Library: Implementation of Http IO Helper Library

Add HTTP IO helper library which could be used by HTTP applications
such as HTTP Boot, Redfish HTTP REST EX driver instance and etc.

Signed-off-by: Abner Chang <abner.chang@hpe.com>

Cc: Maciej Rabeda <maciej.rabeda@linux.intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Nickle Wang <nickle.wang@hpe.com>
Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>

NetworkPkg/Library/DxeHttpIoLib/DxeHttpIoLib.uni

@@ -0,0 +1,12 @@
+// /** @file
+// The library instance provides HTTP IO helper functions.
+//
+// (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "HTTP IO Helper Library"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "The library instance provides HTTP IO helper functions."