FIX: Add infrastructure for python tests (#91)

Also integrated with CI and runs tests in documentation

bindings/python/run_tests.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+python -m venv venv
+source venv/bin/activate
+# not sure why this is needed
+pip install patchelf
+pip install maturin
+pip install pytest
+maturin develop
+pytest tests/