Various docs improvements #1672

Job	Run time
cargo check (msrv) (wasm32)	38s
cargo check (aarch64-android)	21s
cargo check (msrv) (windows-latest)	1m 23s
cargo clippy (windows-latest)	2m 11s
cargo check (msrv) (macos-latest)	37s
cargo clippy (wasm32)	1m 21s
cargo doc	1m 8s
cargo clippy (macos-latest)	1m 23s
cargo check (msrv) (ubuntu-latest)	42s
cargo clippy (ubuntu-latest)	1m 27s
cargo fmt	25s
Prime LFS Cache	4s
cargo test (wasm32)	25s
typos	4s
cargo test (windows-latest)	1m 42s
cargo test (macos-latest)	1m 20s
cargo test (ubuntu-latest)	3m 2s
	18m 13s

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