Python Nillion client core bindings

Python bindings for the client core. Dependency of the Nillion Python client.

This project is using Maturin to generate the Python wheel.

There are four main commands:

• maturin new creates a new cargo project with Maturin configured.
• maturin publish builds the crate into python packages and publishes them to pypi.
• maturin build builds the wheel and stores it in a folder (target/wheels by default), but doesn't upload it. It's possible to upload it with twine or maturin upload.
• maturin develop builds the crate and installs it as a python module directly in the current virtualenv. Note that while maturin develop is faster, it doesn't support all the feature that running pip install after maturin build supports.