bugfix/clean-pypi-readme #76

Job	Run time
mypy	17s
ruff	9s
unit (ubuntu-latest, 3.11, highest)	31s
unit (ubuntu-latest, 3.12, lowest-direct)	36s
unit (ubuntu-latest, 3.11, lowest-direct)	33s
unit (ubuntu-latest, 3.13, highest)	33s
unit (ubuntu-latest, 3.12, highest)	34s
unit (windows-latest, 3.11, lowest-direct)	48s
unit (windows-latest, 3.12, highest)	58s
unit (ubuntu-latest, 3.13, lowest-direct)	34s
unit (macos-latest, 3.11, highest)	38s
unit (windows-latest, 3.13, lowest-direct)	56s
unit (windows-latest, 3.13, highest)	59s
unit (windows-latest, 3.12, lowest-direct)	57s
unit (macos-latest, 3.13, highest)	1m 12s
unit (macos-latest, 3.12, lowest-direct)	43s
unit (windows-latest, 3.11, highest)	51s
unit (macos-latest, 3.11, lowest-direct)	47s
unit (macos-latest, 3.12, highest)	31s
unit (macos-latest, 3.13, lowest-direct)	42s
	13m 49s

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