Add lychee #69

Job	Run time
Lint	4m 44s
Test Rust source (stable, ubuntu-latest)	32s
Test Rust source (stable, ubuntu-latest, tracing)	42s
Test Rust source (stable, ubuntu-latest, strict)	25s
Test Rust source (stable, ubuntu-latest, tracing, strict)	31s
Test Rust source (stable, windows-latest)	2m 28s
Test Rust source (stable, windows-latest, tracing)	1m 39s
Test Rust source (stable, windows-latest, strict)	2m 3s
Test Rust source (stable, windows-latest, tracing, strict)	2m 4s
Test Rust source (stable, macos-latest)	30s
Test Rust source (stable, macos-latest, tracing)	33s
Test Rust source (stable, macos-latest, strict)	29s
Test Rust source (stable, macos-latest, tracing, strict)	30s
Test Rust source (nightly, ubuntu-latest)	31s
Test Rust source (nightly, ubuntu-latest, tracing)	32s
Test Rust source (nightly, ubuntu-latest, strict)	28s
Test Rust source (nightly, ubuntu-latest, tracing, strict)	30s
Test Rust source (nightly, windows-latest)	2m 22s
Test Rust source (nightly, windows-latest, tracing)	1m 49s
Test Rust source (nightly, windows-latest, strict)	1m 7s
Test Rust source (nightly, windows-latest, tracing, strict)	1m 22s
Test Rust source (nightly, macos-latest)	32s
Test Rust source (nightly, macos-latest, tracing)	37s
Test Rust source (nightly, macos-latest, strict)	31s
Test Rust source (nightly, macos-latest, tracing, strict)	29s
Test crate release	0s
Release crate	0s
	28m 0s

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