feat: Add Python Support

Support producing Python 3.6+ artifacts

Author: dstufft

.flake8

@@ -0,0 +1,5 @@
+[flake8]
+max-line-length = 88
+exclude = *.egg,*/interfaces.py,node_modules,.state
+ignore = W503,E203
+select = E,W,F,N

packages/jsii-build-tools/bin/package-python

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -euo pipefail
+
+rm -rf dist/python
+mkdir -p dist/python
+mv *.whl dist/python
+mv *.tar.gz dist/python