Add stratum 1 support. #52

Job	Run time
Validate configs	1m 24s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 42s
Clippy (x86_64-unknown-linux-gnu, false, true)	50s
Audit dependencies	32s
Build and test (beta, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 29s
Format	14s
Clippy (armv7-unknown-linux-gnueabihf, true, false, -target arm-linux-gnueabihf -mcpu=generic+v7a...	33s
Build and test (1.66.0, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 11s
Clippy (x86_64-unknown-linux-musl, true, false, -target x86_64-linux-musl)	37s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-musl)	1m 50s
Smoke-test fuzzing targets	5m 33s
Build and test (stable, macos-latest, x86_64-apple-darwin)	1m 25s
Clippy (x86_64-apple-darwin, true, false, -target x86_64-macos-gnu -g)	22s
Validate man pages	9s
Smoke-test fuzzing targets (--features ntpv5)	2m 43s
Build and test (stable, ubuntu-latest, --features ntpv5, x86_64-unknown-linux-gnu)	1m 22s
Build and test (1.66.0, ubuntu-latest, --features ntpv5, x86_64-unknown-linux-gnu)	2m 3s
Check unused dependencies	1m 45s
Build and test (stable, ubuntu-latest, --features ntpv5, x86_64-unknown-linux-musl)	1m 4s
Build and test (stable, macos-latest, --features ntpv5, x86_64-apple-darwin)	1m 49s
	28m 37s

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