add pyproject.toml and pinned dependencies #125

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Python application

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.9
	uses: actions/setup-python@v3
	with:
	python-version: "3.9.18"
	- name: Use Node.js
	uses: actions/setup-node@v3
	with:
	node-version: '20.x'
	- name: Install dependencies
	run: make deps-dev node_modules
	- name: Lint with flake8
	run: make lint
	- name: Test with pytest
	run: make test

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