Added UI class and UI rendering class

src/ui/managers/GameUIManager.h

@@ -0,0 +1,22 @@
+#pragma once
+#include <SDL3/SDL.h>
+#include <SDL3_ttf/SDL_ttf.h>
+#include "ui/components/Button.h"
+#include "ui/base/UIRenderData.h"
+#include <memory>
+#include <vector>
+class GameUIManager {
+private:
+    std::vector<std::unique_ptr<Button>> m_buttons;
+    UIRenderData m_uiRenderData;
+
+public:
+    GameUIManager();
+    ~GameUIManager();
+
+    void init();
+
+    const UIRenderData& getUIRenderData();
+    // 收集渲染数据
+    void CollectRenderData();
+};