Various docs improvements #1681

Job	Run time
cargo check (msrv) (windows-latest)	1m 39s
cargo clippy (windows-latest)	2m 14s
cargo check (msrv) (macos-latest)	36s
cargo check (msrv) (wasm32)	47s
cargo check (aarch64-android)	30s
cargo clippy (macos-latest)	1m 5s
cargo check (msrv) (ubuntu-latest)	42s
cargo clippy (ubuntu-latest)	1m 26s
cargo clippy (wasm32)	1m 29s
cargo doc	1m 18s
Prime LFS Cache	7s
cargo fmt	13s
typos	3s
cargo test (wasm32)	30s
cargo test (windows-latest)	2m 21s
cargo test (macos-latest)	1m 28s
cargo test (ubuntu-latest)	3m 21s
	19m 49s

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