Refactor to have references in separate sub-directory; closes #49 #129

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Test Astrodbkit2

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

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.8, 3.9, '3.10', 3.11]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 pytest pytest-astropy pytest-cov sphinx-astropy codecov
	# install package and requirements
	pip install ".[all]"
	- name: Lint with ruff
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	ruff check astrodbkit2 --select=E9,F63,F7,F82 --statistics
	# exit-zero treats all errors as warnings.
	ruff check astrodbkit2 --config=pyproject.toml --exit-zero
	- name: Test with pytest
	run: \|
	pytest --cov --cov-config=setup.cfg --cov-report=term --cov-report=xml:coverage.xml
	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v3
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
	- name: Build docs
	run: \|
	cd docs
	sphinx-build -W -b html . _build/html

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