Add KiCad files and USB CDC logging support

main/ws2812_status.h

@@ -2,6 +2,7 @@
 
 #include <stdbool.h>
 #include <stddef.h>
+#include <stdint.h>
 
 #include "esp_err.h"
 #include "sdkconfig.h"
@@ -18,3 +19,4 @@ esp_err_t ws2812_status_mark_active(size_t channel);
 esp_err_t ws2812_status_clear_active(void);
 esp_err_t ws2812_status_set_error(bool has_error);
 esp_err_t ws2812_status_refresh_from_dcdc(void);
+esp_err_t ws2812_status_play_bringup_animation(size_t cycles, uint32_t step_delay_ms);