LoRa gateway that transmits the NTP time at regular intervals defined by _TIME_PERIOD_MS currently set to 5 seconds
Also, the WiFi credentials need to be altered by changing WIFI_SSID and _WIFI_PASS variables
Receives the time synchronization packets in 4 byte integers, at a regular interval defined by _TIME_PERIOD_MS parameter.
Also prints out the time that it took for the radio module to wake up and be ready to receive packets.