Add class api, update docs #111

	---
	name: Code Quality and Tests

	on:
	push:
	branches: [main, development]
	pull_request:
	branches: [main, development]

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: ['3.8', '3.9']
	defaults:
	run:
	shell: bash
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install Poetry
	uses: snok/install-poetry@v1.1.4
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	- name: Load cached venv
	id: cached-poetry-dependencies
	if: runner.os != 'Windows' # Windows venv caching broken as of 05/19/21
	uses: actions/cache@v2
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
	- name: Install dependencies
	run: poetry install
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
	- name: Check format with black
	run: poetry run black --check roughness/ tests/
	continue-on-error: true
	- name: Check style with pylint
	run: poetry run pylint roughness/ tests/
	continue-on-error: true
	- name: Unit & Coverage test with pytest
	run: poetry run pytest

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