Rewrite middleware to support epoll

src/middleware/notfound.hpp

@@ -6,7 +6,7 @@ namespace Middleware
 	class NotFound : public BaseMiddleware
 	{
 	public:
-		void HandleRequest(Http::Request const & request, Http::Response & Response) override;
+		void HandleRequest(State & state, ScheduleHelper & scheduleHelper) override;
 
 		NotFound(Logger & logger);
 	};