set summon menu cooldown

include/client/render/gui/GameMenu.h

@@ -1,16 +1,19 @@
 #pragma once
 
 #include "SummonMenu.h"
+#include "td/game/BaseGame.h"
 
 namespace td {
 namespace gui {
 
-class GameMenu : public GuiWidget {
+class GameMenu : public GuiWidget, public game::GameListener {
 private:
 	std::unique_ptr<SummonMenu> m_SummonMenu;
 public:
 	GameMenu(client::Client* client);
 
+	virtual void OnGameBegin();
+
 	virtual void Render();
 private:
 	void ShowTPS();