Pyscaffold

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- Fix pre-commit error: The unauthenticated git protocol on port 9418 is no longer supported, :issue:`565`

.. note::

PyScaffold 4.1 is the last release to support Python 3.6

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- Added verification to prevent users from creating projects nested inside
existing repositories, unless ``--force`` is explicitly given, :issue:`544`, :pr:`545`.
- Fixed problem with Windows Shell when running git, :pr:`560`.

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- Ensure required extensions are installed on ``--update``, :pr:`512`
- Prevent extension from crashing when persisting ``None`` in ``setup.cfg``, :pr:`510`
- Prevent multi-line descriptions to crash ``putup``, :pr:`509`
- Warn users about empty namespaces, :pr:`508`
- Prevent parsing errors during dependency deduplication, :pr:`518`
- Add ``license_files`` to ``setup.cfg`` template, :issue:`524`

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- Added *linkcheck* task to ``tox.ini``, :pr:`456`
- Updated configuration for Sphinx and ReadTheDocs, :pr:`455`
- Note that templates and the generated boilerplate code is 0BSD-licensed, :pr:`461`
- Added 0BSD license template
- Added ``CONTRIBUTING.rst`` template, :issue:`376`
- Added PyScaffold badge to ``README`` template, :issue:`473`
- Updated Cirrus CI config and templates, including better ``coveralls`` integration, :issue:`449`
- Adopted global ``isolated_build`` for ``tox`` configuration, :issue:`483`, :pr:`491`
- Loop counter explicitly marked as unused in ``skeleton.py`` (``flake8-bugbear B007``), :pr:`495`
- Ensure update include added extensions in ``setup.cfg``, :pr:`496`

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- Restructured docs
- Fix WSL2 installation problem, :issue:`440`
- Fix for interactive mode under Windows, :issue:`430`

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- Fix ``tox -e build`` issue when running on Conda, :pr:`417`
- Ensure ``snake_case`` for keys in ``setup.cfg``, :issue:`418`
- Update dependencies on ``configupdater`` and ``pyscaffoldext-django``
- Remove broken checks for old ``setuptools``, :issue:`428`