qmk-firmware/keyboards/sentraq/s60_x/s60_x.h

#ifndef S60X_H
#define S60X_H

#ifdef KEYBOARD_sentraq_s60_x_default
    #include "default.h"
#endif
#ifdef KEYBOARD_sentraq_s60_x_rgb
    #include "rgb.h"
#endif

#include "quantum.h"

#endif