Working on music cross fade and settings

src/MenuManager.h

@@ -93,6 +93,9 @@ namespace ZL {
 		void onCutsceneFinished();
 		bool cutsceneHudActive_ = false;
 
+		void saveSettings();
+		void loadSettings();
+
 		// Toast notification system
 		void showToast(const std::string& iconPath, const std::string& text);
 		void update(float deltaMs);