Various docs improvements #1670

Job	Run time
cargo check (aarch64-android)	21s
cargo check (msrv) (windows-latest)	1m 42s
cargo check (msrv) (wasm32)	46s
cargo clippy (windows-latest)	3m 3s
cargo check (msrv) (macos-latest)	34s
cargo clippy (macos-latest)	1m 10s
cargo check (msrv) (ubuntu-latest)	49s
cargo clippy (wasm32)	1m 18s
cargo clippy (ubuntu-latest)	1m 35s
cargo doc	1m 3s
cargo fmt	24s
Prime LFS Cache	4s
cargo test (wasm32)	24s
typos	8s
cargo test (windows-latest)	2m 23s
cargo test (macos-latest)	1m 38s
cargo test (ubuntu-latest)	2m 44s
	20m 6s

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