add airports class #89

	name: Docs
	on: [push, pull_request, workflow_dispatch]
	permissions:
	contents: write
	jobs:
	docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v3
	- name: Install sphinx
	run: \|
	pip install sphinx sphinx_rtd_theme
	- name: Install dependencies
	run: \|
	pip install -r requirements.txt
	- name: Sphinx build
	run: \|
	sphinx-build docs _build
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
	with:
	publish_branch: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: _build/
	force_orphan: true

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