code clean up and persistence for beacon last state

Signed-off-by: Peter Siegmund <mars3142@users.noreply.github.com>

firmware/components/light/CMakeLists.txt

@@ -7,4 +7,5 @@ idf_component_register(SRCS
                         esp_driver_gpio
                         esp_driver_gptimer
                         esp_driver_ledc
+                        persistence
                     )

firmware/components/light/beacon.c

@@ -6,6 +6,7 @@
 #include "freertos/task.h"
 #include "led_strip.h"
 #include "light.h"
+#include "persistence.h"
 #include "sdkconfig.h"
 #include "semaphore.h"
 
@@ -84,6 +85,8 @@ esp_err_t beacon_start(void)
     {
         ESP_LOGI(TAG, "GPTimer started.");
     }
+
+    ESP_LOGD(TAG, "Beacon started.");
     return ret;
 }
 
@@ -110,6 +113,7 @@ esp_err_t beacon_stop(void)
     {
         ESP_LOGE(TAG, "Failed to enable gptimer: %s", esp_err_to_name(ret));
     }
+
     return ret;
 }