Fix some warnings #93

	name: Nalu-Wind-Docs

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	concurrency:
	group: ${{github.ref}}-${{github.head_ref}}-docs
	cancel-in-progress: true

	jobs:
	Docs:
	runs-on: ubuntu-latest
	steps:
	- name: Clone
	uses: actions/checkout@v4
	- name: Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.x'
	- name: Dependencies
	run: \|
	export DEBIAN_FRONTEND=noninteractive
	sudo apt-get update
	sudo apt-get install -y --no-install-recommends doxygen graphviz
	python3 -m pip install --upgrade pip
	pip3 install sphinx sphinx_rtd_theme sphinxcontrib-bibtex
	- name: Build
	# execute from top-level nalu-wind directory
	run: \|
	mkdir -p ./build_docs/doxygen
	doxygen ./docs/doxygen/Doxyfile
	echo "::add-matcher::.github/problem-matchers/sphinx.json"
	sphinx-build -M html ./docs/sphinx ./build_docs/manual -W --keep-going -n 2>&1 \| tee -a build-output.txt
	mv ./build_docs/manual/html ./documentation
	mv ./build_docs/doxygen/html ./documentation/api_docs
	touch ./documentation/.nojekyll
	- name: Report
	run: \|
	echo "::add-matcher::.github/problem-matchers/sphinx.json"
	egrep "WARNING:\|Warning:\|ERROR:\|Error:" build-output.txt \| sort \| uniq \| \
	awk 'BEGIN{i=0}{print $0}{i++}END{print "Warnings: "i}' > build-output-warnings.txt
	cat build-output-warnings.txt
	exit $(tail -n 1 build-output-warnings.txt \| awk '{print $2}')
	- name: Deploy
	if: github.event_name == 'push'
	uses: JamesIves/github-pages-deploy-action@releases/v3
	with:
	GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
	BRANCH: gh-pages
	FOLDER: documentation
	SINGLE_COMMIT: true

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