Adds docker setup for marvin #190

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Build Package

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	continue-on-error: ${{ matrix.allow_failure }}

	strategy:
	fail-fast: false
	matrix:
	python-version: [3.8, 3.9]
	allow_failure: [false]
	os: [ubuntu-latest]
	include:
	- python: "3.10"
	os: ubuntu-latest
	allow_failure: true

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .[dev]

	- name: Lint with flake8
	run: \|
	pip install flake8
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

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