restructure project for dynamic linking

modules/gui/events/event.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "engine.h"
+
+enum class EventType {
+    None = 0,
+    WindowClose, WindowResize, WindowFocus, WindowLostFocus, WindowMoved,
+    KeyPressed, KeyReleased, KeyTyped,
+    MouseButtonPressed, MouseButtonReleased, MouseMoved, MouseScrolled
+};
+
+class Event {
+
+    public:
+    Event();
+    virtual ~Event();
+
+    virtual EventType getType() const = 0;
+
+};