nrf5/modules: Updating ubluepy peripheral. Creating empty service list in constructor. Appending services to the list when added. Added new function for retreiving the service list; getServices().
nrf5/modules: Updating ubluepy peripheral. Creating empty service list in constructor. Appending services to the list when added. Added new function for retreiving the service list; getServices().

adafruit/micropython,tralamazza/micropython,tralamazza/micropython,adafruit/micropython,tralamazza/micropython,adafruit/micropython,adafruit/circuitpython,adafruit/micropython,tralamazza/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/micropython,adafruit/circuitpython