fix installation documentation #135

	name: "Linting and unittests"

	on:
	push:
	paths:
	- '**.py'
	pull_request:
	branches: ["main"]

	jobs:
	lint:
	runs-on: ubuntu-latest
	container:
	image: python:3.8

	steps:
	- uses: actions/checkout@v2
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e .[lint]
	- name: Lint format with `black`
	run: black bibtexparser tests setup.py --check
	- name: Lint imports with `isort`
	run: isort bibtexparser tests setup.py --check-only --profile black
	- name: Check docstr-coverage with `docstr-coverage`
	run: docstr-coverage bibtexparser

	build:
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	python-version: [3.7, 3.8, 3.9, '3.10', '3.11']
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e .[test]
	- name: Test with pytest
	run: \|
	pytest tests

Provide feedback