Update the documentation #2127

Job	Run time
Lint	35s
Documentation	29s
MSRV	25s
Test feature matrix	11m 54s
Test (stable, macos-latest)	39s
Test FFI (stable, ubuntu-latest)	28s
Test (stable, ubuntu-latest)	34s
Test (stable, windows-latest)	1m 22s
	16m 26s

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