typos corrected and added some explanations #63

	name: CI

	on: [ push, pull_request, workflow_dispatch ]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	ci:
	name: Continuous Integration
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: [ "3.9", "3.10", "3.11", "3.12" ]
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Run image
	uses: abatilo/actions-poetry@v2
	with:
	poetry-version: 1.4.0
	- name: Install dependencies
	run: poetry install
	- name: Black
	run: poetry run black src --check
	- name: Flake8
	run: poetry run flake8
	- name: Mypy
	run: poetry run mypy src --check-untyped-defs
	- name: Copy test envvars
	run: cp .env.test .env
	- name: Start docker containers
	run: docker-compose up --detach
	- name: Tests
	run: poetry run pytest --cov=src --cov-report=xml
	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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