feat(demo): update lua module and board

components/lua_modules/lua_module_button/include/lua_module_button.h

@@ -0,0 +1,11 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+#include "lua.h"
+#include "esp_err.h"
+
+int luaopen_button(lua_State *L);
+esp_err_t lua_module_button_register(void);