feat: add led strip class

main/boards/kevin-box-2/kevin_box_board.cc

@@ -3,10 +3,10 @@
 #include "display/ssd1306_display.h"
 #include "application.h"
 #include "button.h"
-#include "led.h"
 #include "config.h"
 #include "axp2101.h"
 #include "iot/thing_manager.h"
+#include "led_strip/single_led.h"
 
 #include <esp_log.h>
 #include <esp_spiffs.h>
@@ -179,10 +179,10 @@ public:
         InitializePowerSaveTimer();
         InitializeIot();
     }
-
-    virtual Led* GetBuiltinLed() override {
-        static Led led(BUILTIN_LED_GPIO);
-        return &led;
+    
+    virtual LedStripWrapper* GetLedStrip() override {
+        static SingleLed led_strip(BUILTIN_LED_GPIO);
+        return &led_strip;
     }
 
     virtual AudioCodec* GetAudioCodec() override {