fix: revert README.md to v1 documentation (#2045) #665

Job	Run time
checks / pre-commit	52s
checks / test (3.12, locked, windows-latest)	3m 26s
checks / test (3.13, locked, ubuntu-latest)	45s
checks / test (3.10, lowest-direct, ubuntu-latest)	54s
checks / test (3.10, lowest-direct, windows-latest)	2m 33s
checks / readme-snippets	13s
checks / test (3.12, lowest-direct, windows-latest)	3m 43s
checks / test (3.12, lowest-direct, ubuntu-latest)	55s
checks / test (3.13, locked, windows-latest)	2m 33s
checks / test (3.11, locked, ubuntu-latest)	50s
checks / test (3.10, locked, ubuntu-latest)	55s
checks / test (3.13, lowest-direct, windows-latest)	3m 40s
checks / test (3.12, locked, ubuntu-latest)	54s
checks / test (3.11, locked, windows-latest)	2m 58s
checks / test (3.10, locked, windows-latest)	2m 26s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.14, lowest-direct, windows-latest)	3m 14s
checks / test (3.14, locked, ubuntu-latest)	2m 19s
checks / test (3.13, lowest-direct, ubuntu-latest)	52s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.11, lowest-direct, windows-latest)	2m 55s
checks / test (3.14, locked, windows-latest)	2m 54s
all-green	4s
	42m 9s

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