Initial kesp32_app_base component

include/time_sync.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "esp_err.h"
+#include "freertos/FreeRTOS.h"
+
+/** Initialize and start periodic SNTP synchronization. */
+esp_err_t time_sync_start(void);
+
+/** Wait for the first successful synchronization and log local time. */
+esp_err_t time_sync_wait(TickType_t timeout);