feat!: Add Docs<S> which wraps the Engine<S> #97

Job	Run time
Checking fmt	20s
Android Build Only (aarch64-linux-android)	1m 8s
Android Build Only (armv7-linux-androideabi)	1m 6s
check_semver	1m 2s
Cross Build Only (x86_64-unknown-freebsd)	43s
Cross Test (i686-unknown-linux-gnu)	45s
Checking docs	58s
cargo deny	29s
clippy_check	1m 37s
codespell	6s
Minimal Supported Rust Version	16s
CI Test Suite / Tests (ubuntu-latest, stable, all)	1m 24s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 32s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	1m 3s
CI Test Suite / Tests (ubuntu-latest, stable, none)	27s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	1m 5s
CI Test Suite / Tests (ubuntu-latest, stable, default)	33s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	1m 28s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	32s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	32s
	18m 6s

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