Add packaging with poetry

[sandrobonazzola]

Add packaging using poetry

Help installing the package as pip install git+https://github.com/distributed-system-analysis/smallfile.git@main
Signed-off-by: Sandro Bonazzola [email protected]

[portante]

Let's also drop setup.cfg and requirements.txt (making sure they are both properly covered by pyproject.toml), and then update the README.md where necessary to describe the use of poetry.

[sandrobonazzola]

Let's also drop setup.cfg and requirements.txt (making sure they are both properly covered by pyproject.toml), and then update the README.md where necessary to describe the use of poetry.

Ok for dropping requirements.txt but we can't remove setup.cfgbecause pycodestyle and flake8 doesn't accept configuration via pyproject.toml yet.