Add project files.

include/menu.h

@@ -0,0 +1,21 @@
+#pragma once
+#include "game.h" 
+#include <string>
+#include <vector>
+
+// --- UI / Systems ---
+
+class Menu {
+private:
+    std::string title;
+    std::vector<std::string> options;
+    int selectedIndex;
+
+public:
+    Menu(std::string menuTitle, std::vector<std::string> menuOptions)
+        : title(menuTitle), options(menuOptions), selectedIndex(0) {
+    }
+
+    void Update(GameState& currentState);
+    void Draw();
+};