Irrcac

Refactor

- update to scipy 1.11.2
- fix tex warnings during pytest

Refactor

- update dev-dependencies and commitizen section

Feat

- Brennan-Prediger coefficient for raw data

Fix

- revise the calculation of p-values

Refactor

- **docs**: remove sphinx's build directory
- add more pre-commit hooks
- migrate code style to Black

Feat

- calculate Krippendorff's Alpha.

Fix

- calculations for weighted coefficients.

Refactor

- reformat files.

Fix

- return copy of calculations.