github action added to build sphinx-based doc. #41

	---
	name: Publish Sphinx doc to gh-pages
	on: [push, pull_request, workflow_dispatch]
	permissions:
	contents: write
	jobs:
	sphinx_doc:
	runs-on: ubuntu-latest
	if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/publish-sphinx' }}
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v4
	- name: Install dependencies
	run: \|
	export BME_PROJECT_DIR="${GITHUB_WORKSPACE}"
	echo "Python version: "`python --version`
	echo "pip version: "`pip --version`
	pip install Sphinx==5.3.0 sphinxcontrib-programoutput==0.17 sphinx-rtd-theme==1.1.0 \
	GitPython==3.1.24 Cerberus==1.3.4
	- name: Sphinx build
	run: \|
	cd "${GITHUB_WORKSPACE}/src" && make doc
	- name: Deploy to GitHub Pages
	uses: peaceiris/actions-gh-pages@v3
	with:
	publish_branch: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: src/build/html/
	force_orphan: true

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