init commit from esp-idf ble example

main/include/led.h

@@ -0,0 +1,19 @@
+#ifndef LED_H
+#define LED_H
+
+/* Includes */
+/* ESP APIs */
+#include "driver/gpio.h"
+#include "led_strip.h"
+#include "sdkconfig.h"
+
+/* Defines */
+#define BLINK_GPIO CONFIG_BLINK_GPIO
+
+/* Public function declarations */
+uint8_t get_led_state(void);
+void led_on(void);
+void led_off(void);
+void led_init(void);
+
+#endif // LED_H