feat: add lua module uart

components/lua_modules/lua_module_uart/include/lua_module_uart.h

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include "esp_err.h"
+#include "lua.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int luaopen_uart(lua_State *L);
+esp_err_t lua_module_uart_register(void);
+
+#ifdef __cplusplus
+}
+#endif