[pre-commit.ci] pre-commit autoupdate

[pre-commit.ci] pre-commit autoupdate

requirements: add Rich package

docs: Add screenshots for light and dark themes, showcasing new outputs

Fix a couple of pylint warnings, add pylint to requirements-dev.txt

Use Rich pretty-printing everywhere instead of click.secho

Update package dependencies to work with Python 3.10

readme: link to existing screenshots to whet the appetite

commands: update all outputs to use images

docs: add section 'Viewing the documentation locally'

Add Dockerfile

[pre-commit.ci] pre-commit autoupdate

[pre-commit.ci] pre-commit autoupdate

cli: fix `generate-sample` when invalid config exists

[pre-commit.ci] pre-commit autoupdate