Add debug console for Wi-Fi management and command-line interface integration

Signed-off-by: YoungSoo Shin <shinys000114@gmail.com>

main/service/dbg_console.h

@@ -0,0 +1,13 @@
+#ifndef ODROID_POWER_MATE_DBG_CONSOLE_H
+#define ODROID_POWER_MATE_DBG_CONSOLE_H
+
+#include "esp_err.h"
+
+/**
+ * @brief Initialize the debug console.
+ *
+ * @return ESP_OK on success, or an error code on failure.
+ */
+esp_err_t initialize_dbg_console(void);
+
+#endif // ODROID_POWER_MATE_DBG_CONSOLE_H