Tests

Reorganize docs index a bit #81

Job	Run time
test (windows-latest, 3.9)	29m 16s
test (windows-latest, 3.10)	25m 54s
test (windows-latest, 3.11)	25m 51s
test (windows-latest, 3.12)	29m 41s
test (ubuntu-latest, 3.9)	15m 20s
test (ubuntu-latest, 3.10)	15m 46s
test (ubuntu-latest, 3.11)	14m 56s
test (ubuntu-latest, 3.12)	21m 12s
test (macos-latest, 3.12)	32m 27s
test (ubuntu-latest, mindeps-array)	3m 18s
test (ubuntu-latest, mindeps-dataframe)	11m 17s
test (ubuntu-latest, mindeps-distributed)	3m 26s
test (ubuntu-latest, mindeps-non-optional)	2m 20s
test (ubuntu-latest, mindeps-optional)	16m 1s
test (ubuntu-latest, 3.12, pyarrow)	22m 6s
	4h 28m 51s

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