Create tech stack docs (techstack.yml and techstack.md) #136

	name: CI
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest pycodestyle
	- name: Lint with PyCodeStyle
	run: \|
	find . -name \*.py -exec pycodestyle {} +

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