Pyswrd

Added
- Support for Python 3.13.
- Type hints for `pyswrd` using external stub file.

Changed
- Bump required `scoring-matrices` dependency to `v0.3.0`.
- Bump required `pyopal` depdency to `v0.7.0`.
- Reorganize project to build with CMake and `scikit-build-core`.
- Update documentation to use the PyData theme.

Fixed
- Signature of Cython classes constructors not displaying in documentation.
- Large test data being included in source distribution.
- Incorrect license tag in Python files.

Removed
- Support for Python 3.6.

Changed
- Update `pyopal` dependency to `v0.6.0`.
- Use `scoring-matrices` package to expose the scoring matrix of `pyswrd.Scorer` objects.
- Inline some SWORD functions to improve performance in some critical sections.

Added
- Support for passing a running `ThreadPool` to `pyswrd.search`.

Changed
- Update `pyopal` dependency to `v0.5.2`.

Initial release.