Add slug validation utility function #11

	name: Update Coverage in README

	on: [push]

	jobs:
	update-readme:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.8"
	- name: Install dependencies
	run: \|
	pip install pytest pytest-cov
	- name: Run pytest and update README
	run: \|
	coverage=$(pytest --cov=app --cov-report=term tests/ \| tail -n 1 \| awk '{print $4}')
	sed -i "s/coverage: [0-9]*%/coverage: $coverage/" README.md
	- name: Commit and push if changed
	run: \|
	git config --global user.email "fvergaracl+coverage@gmail.com"
	git config --global user.name "Coverage Bot"
	git commit -am "Update coverage in README" && git push \|\| echo "No changes to commit"

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