Baypy

This release contains:

- Documentation:
- update [RedTheDocs](https://about.readthedocs.com) Python version used to build the documentation

This release contains:

- Documentation:
- add `copybutton` to code blocks
- update release notes
- fix examples documentation syntax
- Enhancement:
- replace `list` with generic `Iterable` for `lags` parameter in `autocorrelation_summary`
- reorganize `analysis` and `diagnostics` modules
- Release:
- drop Python 3.9 support
- extend support to Python 3.13
- update dependencies

This release contains:

- Documentation:
- add dependencies badge
- prevent `ReadTheDocs` to build the [documentation](https://baypy.readthedocs.io/en/latest/?badge=latest) without a valid release tag
- Release:
- update Python version dependency
- review dependencies versions

This release contains:

- Tests:
- update Github test workflows in order to test also package building
- Maintenance
- fix some typos
- Enhancement:
- update type hinting from __future__
- remove requirements files
- remore requirements reference from `.readthedocs.yaml` and `tox.ini`
- Release:
- create a `pyproject.toml` file
- update building tools in release workflow

This release contains:

- Enhancements:
- remove unused imports and variables
- Documentation:
- introduce Sphinx [admonitions](https://pradyunsg.me/furo/reference/admonitions/)
- add cross-reference links in [documentation](https://baypy.readthedocs.io/en/latest/?badge=latest)
- update front page [documentation](https://baypy.readthedocs.io/en/latest/?badge=latest)
- convert `README.md` in `README.rst`
- Tests:
- split Github test [workflows](https://github.com/AndreaBlengino/baypy/tree/master/.github/workflows) for different OS
- Maintenance:
- fix some typos

This release contains:

- Maintenance:
- fix documentation indentation
- fix some typos in documentation
- fix documentation cross reference links
- Release:
- extend support to Python 3.12