Update README and CHANGELOG to be closer to typical Linebender #52

Job	Run time
cargo check (msrv) (wasm32)	22s
cargo clippy (wasm32)	22s
cargo check (msrv) (windows-latest)	34s
cargo clippy (windows-latest)	37s
cargo check (msrv) (macos-latest)	23s
cargo clippy (macos-latest)	19s
cargo doc	11s
formatting	22s
cargo check (msrv) (ubuntu-latest)	20s
cargo clippy (ubuntu-latest)	22s
cargo test (wasm32)	14s
cargo test (windows-latest)	42s
typos	3s
cargo test (macos-latest)	21s
cargo test (ubuntu-latest)	20s
	5m 32s

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