Improve documentation site layout #514

Job	Run time
build / lint-toml	8s
build / generate-license	1m 29s
build / lint-rust	22s
build / lint-python	12s
build / check-crates-patch	-1s
build / Linux arm64 (${{ matrix.python-tag }})	1s
build / Linux x86_64 (${{ matrix.python-tag }})	1s
build / Source distribution	1s
build / ${{ (((matrix.os == 'macos-latest') && 'macOS arm64') \|\| 'Windows x86_64') }} (${{ matrix.python-tag }})	1s
build / macOS x86_64 (${{ matrix.python-tag }})	1s
build / Merge build artifacts	1s
build / Build docs	1s
test	-1s
	2m 16s

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