Service/NWM: add nwm services

src/core/hle/service/nwm/nwm.h

@@ -0,0 +1,14 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Service {
+namespace NWM {
+
+/// Initialize all NWM services
+void Init();
+
+} // namespace NWM
+} // namespace Service