adds ci workflow #3

	name: LOBSTER CI

	on:
	push:
	branches: ["main"]
	pull_request:
	branches: ["main"]

	permissions:
	contents: read

	jobs:
	lint:
	name: PyLint
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.9
	uses: actions/setup-python@v5
	with:
	python-version: "3.9"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install pylint pycodestyle
	- name: Style check
	run: \|
	make style
	- name: Lint
	run: \|
	make lint -o style
	test:
	name: Test
	strategy:
	matrix:
	py-version: ["3.8", "3.9", "3.10", "3.11"]
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.py-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.py-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt
	- name: Executing system tests
	run: \|
	make system-tests
	- name: Executing unit tests
	run: \|
	make unit-tests

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