ALEPH-7 project modernization: migrate project to python 3.12, hatch, pyproject.toml, upgrade dependencies, migrate to latest pytezos and add a bunch of other improvements and some documentation improvement.

ALEPH-7 project modernization: migrate project to python 3.12, hatch, pyproject.toml, upgrade dependencies, migrate to latest pytezos and add a bunch of other improvements and some documentation improvement. #75