Adding type checking #16

	name: CI Code Checks
	on: [pull_request]
	jobs:
	build:
	name: code checks
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9"]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements_dev.txt
	python -m nltk.downloader stopwords

	- name: Checking formatting and analysing the code with pylint and flake8
	run: make lint

	- name: Type checking with mypy
	run: mypy --config mypy.ini -p snowball

	- name: Running tests
	run: make test

	- name: Creating coverage folder
	run: \|
	mkdir -p coverage

	- name: Coverage Badge
	uses: tj-actions/coverage-badge-py@v1.8
	with:
	output: coverage/coverage.svg

	- name: Publish coverage report to coverage-badge branch
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	branch: coverage-badge
	folder: coverage

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