Move SDK include and source to base

include/NazaraSDK/System.hpp

@@ -0,0 +1,32 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
+
+#pragma once
+
+#ifndef NDK_SYSTEM_HPP
+#define NDK_SYSTEM_HPP
+
+#include <NazaraSDK/BaseSystem.hpp>
+
+namespace Ndk
+{
+	template<typename SystemType>
+	class System : public BaseSystem
+	{
+		public:
+			System();
+			System(const System&) = delete;
+			System(System&&) noexcept = default;
+			virtual ~System();
+
+			System& operator=(const System&) = delete;
+			System& operator=(System&&) noexcept = default;
+
+			static SystemIndex RegisterSystem();
+	};
+}
+
+#include <NazaraSDK/System.inl>
+
+#endif // NDK_SYSTEM_HPP