Menu bar is coming

include/gui/menu.hpp

@@ -0,0 +1,23 @@
+#ifndef BILLYSHEET_MENU_HPP
+#define BILLYSHEET_MENU_HPP
+
+
+namespace gui {
+	class GuiData;
+
+	class Menu final {
+	private:
+		GuiData &data;
+	public:
+		Menu() noexcept = delete;
+
+		explicit Menu(GuiData &data) noexcept: data(data) {}
+
+		~Menu() noexcept = default;
+
+		void gui() const noexcept;
+	};
+}
+
+
+#endif //BILLYSHEET_MENU_HPP