Add lightd code, auto light can work by infrared and relay now

guowenxue

2021-01-23 8fee9f5701ffdcc17e1f0f2453d495fe849d1fe2

 modules/c/led.c

@@ -91,7 +91,7 @@

#include <gpiod.h>

#if 1 /* Use libgpiod lowlevel API */
#if 0 /* Use libgpiod lowlevel API */

struct gpiod_chip* chip;