message: Add a position field to Notification
diff: #include <vector>
  #include <NAS2D/EventHandler.h>
  +#include <NAS2D/Renderer/Point.h>
  #include <NAS2D/Resource/Image.h>
  #include <NAS2D/Signal/Signal.h>
  @@ -24,6 +25,7 @@ public:
  {
  std::string brief{ "" };
  std::string message{ "" };
  + NAS2D::Point<int> position{ -1, -1 };
  NotificationType type{ NotificationType::Information };
  };
  