Add SNTP clock syncing #15

Merged xogium merged 6 commits into LuminaSensum:main from LuminaSensum:sntp on 4 Apr 2023

2023-04-04	3965d19 Browse files » sntp: clang-format Jookia committed on 4 Apr 2023
	1f0919a Browse files » sntp: Timeout if gethostbyname fails Jookia committed on 4 Apr 2023
	2bf003d Browse files » main: Setup and sync clock when 3 presses are read Jookia committed on 4 Apr 2023
	76b4f09 Browse files » Clock: Add our clock ... This clock is intended to be used to get a timeval with sub-second accuracy and convert it back and forth between kernel and real time. Jookia committed on 4 Apr 2023
	8a97584 Browse files » NetworkHandler: All access to the underlying NetworkInterface ... We need this to actually use the network. Jookia committed on 4 Apr 2023
	65a2854 Browse files » sntp: Add SNTP fork ... This fork of SNTP uses code from https://github.com/howerj/sntp with many changes by Casey and I to run on mbed. Jookia committed on 4 Apr 2023