[FIX] Invalid escape sequences in docstrings (#36)

Migrate to pyproject.toml and common workflows, update for numpy 2.0 (#…

…35)

* move to pyproject file

* remove setup.py

* not needed anymore

* using common workflows

* switch to np.nan for numpy 2.0 compatibility

* and bump patch version for release

* and add to changelog

* membership test should be 'not in'

* not fstrings

* update authors metadata as discussed

Indexing fix in CTA calculation (#31)

fix weights and phases in some CTA calculations, add new CTA methods (#…

…20)

Co-authored-by: Felix Soubelet <felix.soubelet@protonmail.com>

Initial Feature Commit (#12)

* Added Coupling and RDTs with Feeddown. 
* Closest Tune Approach and references
* Added tests 
* Doc

Co-authored-by: Felix Soubelet <felix.soubelet@protonmail.com>