Add certbot-related targets to Makefile #23

	name: Unit tests

	on:
	push:
	branches: master
	pull_request:
	branches: master

	jobs:
	unit-test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository content
	uses: actions/checkout@v2

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.x"

	- name: Install requirements and run unit tests
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements_dev.txt
	python3 -m pytest tests --verbose

	- name: Time reporter
	uses: DeviesDevelopment/workflow-timer@v0.0.2

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