restructure project for dynamic linking

modules/gui/window/window.cpp

@@ -0,0 +1,31 @@
+#include "window.h"
+
+Window::Window()
+{
+}
+
+Window::~Window()
+{
+}
+
+void Window::init(std::string, int, int)
+{
+}
+
+void Window::shutdown()
+{
+}
+
+void Window::getSize()
+{
+}
+
+const Event *Window::pollEvents()
+{
+    return nullptr;
+}
+
+const Event *Window::createEvent()
+{
+    return nullptr;
+}