Jarn.viewdoc

----------------

- Switch to PEP420 namespace packages. Please upgrade all jarn.* packages.
[stefan]

- Replace pkg_resources with importlib.metadata.
[stefan]

- Require Python >= 3.7.
[stefan]

----------------

- Update tox.ini for latest tox.
[stefan]

- Filter deprecated config warning.
[stefan]

- Fix invalid escape sequences.
[stefan]

- Fix tests for docutils >= 0.20.0.
[stefan]

----------------

- Support setuptools >= 65.6.0.
[stefan]

----------------

- Support Python 2.7 - 3.11.
[stefan]

- Do not require setup.py or setup.cfg if pyproject.toml exists.
[stefan]

- Filter some deprecation warnings.
[stefan]

- Warn if long_description metadata is missing.
[stefan]

----------------

- Support Python 2.7 - 3.10.
[stefan]

- Fix code block background color in ``pypi`` style.
[stefan]

- Keep links underlined in ``pypi`` style.
[stefan]

- Add output colors.
[stefan]

- Do not require setup.py if setup.cfg exists.
[stefan]

- Move metadata to setup.cfg.
[stefan]

- Move tests out of ``jarn.viewdoc`` namespace.
[stefan]

- Include tests in sdist but not in wheel.
[stefan]

----------------

- Support ``python -m jarn.viewdoc``.
[stefan]