Tox

simplify expected storage #21

Job	Run time
Spellcheck sources with pyspelling	31s
Lint python sources with ruff	12s
Lint markdown files with markdownlint	6s
Build html documentation with mkdocs	2m 40s
Fill tests, deployed, ubuntu-latest, 3.11	5m 54s
Run unit tests, ubuntu-latest, 3.10	6m 11s
Fill tests, deployed, macos-latest, 3.12	7m 1s
Run unit tests, macos-latest, 3.11	4m 4s
Typecheck python sources with mypy	27s
Run unit tests, ubuntu-latest, 3.12	5m 56s
	33m 2s

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