Update usage.md #396

	name: Python tests

	permissions:
	contents: read

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: "3.8"
	- name: Install system dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y libemail-outlook-message-perl
	wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch \| sudo gpg --dearmor -o /usr/share/keyrings/elasticsearch-keyring.gpg
	sudo apt-get install apt-transport-https
	echo "deb [signed-by=/usr/share/keyrings/elasticsearch-keyring.gpg] https://artifacts.elastic.co/packages/8.x/apt stable main" \| sudo tee /etc/apt/sources.list.d/elastic-8.x.list
	sudo apt-get update && sudo apt-get install elasticsearch
	sudo systemctl restart elasticsearch
	sudo systemctl --no-pager status elasticsearch
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Test building documentation
	run: \|
	cd docs
	make html
	- name: Check code style
	run: \|
	flake8 .py parsedmarc/.py
	- name: Run unit tests
	run: \|
	coverage run tests.py
	coverage json
	- name: Test sample DMARC reports
	continue-on-error: true
	run: \|
	parsedmarc --debug -c ci.ini samples/aggregate/*
	parsedmarc --debug -c ci.ini samples/forensic/*"
	- name: Test building packages
	run: \|
	hatch build
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v2

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