docs: convert reStructuredText sources to MyST markdown #560

Job	Run time
build / lint-python	9s
build / lint-toml	8s
build / generate-license	49s
build / lint-rust	21s
build / check-crates-patch	0s
build / Linux arm64 (3.14t)	9m 13s
build / Linux arm64 (abi3)	9m 10s
build / Linux x86_64 (3.13t)	11m 3s
build / Linux x86_64 (3.14t)	10m 35s
build / Linux x86_64 (abi3)	15m 10s
build / Windows x86_64 (3.14t)	13m 29s
build / macOS arm64 (3.14t)	9m 1s
build / Windows x86_64 (3.13t)	13m 0s
build / Windows x86_64 (abi3)	14m 3s
build / macOS arm64 (3.13t)	7m 16s
build / Linux arm64 (3.13t)	8m 59s
build / macOS arm64 (abi3)	12m 50s
build / macOS x86_64 (${{ matrix.python-tag }})	0s
build / Source distribution	0s
build / Build docs	36s
build / Merge build artifacts	-1s
test	0s
	2h 15m 51s

Provide feedback