[Request] Python bindings

## Description
Bindings for Python - Asynchronous and synchronous.

## Motivation
Python is a very popular programming language not only for PoC and rapid development, but also for production. Further many IoT projects leverage the ease of Python for prototypes and development. The effort to implement these bindings are low, [PyO3](https://github.com/PyO3/pyo3).

## Requirements
Write a list of what you want this feature to do.

1. Bind identity.rs to Python.
2. Enable asynchronous calls.

## Are you planning to do it yourself in a pull request?

No. Can participate in the undertaking.