Update doc to reference requirement of libiio #187

	name: Documentation Build and Deploy

	on: [push, pull_request]

	jobs:
	BuildDocs:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.7
	uses: actions/setup-python@v2
	with:
	python-version: 3.7

	- name: Install dependencies
	run: \|
	wget https://raw.githubusercontent.com/analogdevicesinc/pyadi-iio/master/.github/scripts/install_libiio.sh
	bash install_libiio.sh
	sudo apt-get install -y python3-pip python3-setuptools doxygen graphviz
	sudo pip install -r bindings/python/requirements.txt
	sudo pip install -r bindings/python/requirements_dev.txt
	sudo pip install -r bindings/python/requirements_doc.txt

	- name: Build all components
	run: \|
	mkdir build
	cd build
	cmake .. -DPYTHON_BINDINGS=OFF
	make -j$(nproc)
	sudo make install
	cmake .. -DPYTHON_BINDINGS=ON
	make -j$(nproc)
	make
	mkdir all_doc
	mkdir all_doc/python
	mv bindings/python/html/* all_doc/python
	mv html/* all_doc/
	cd ..

	# If on master deploy to gh-pages within dev folder
	- name: Deploy development build to GitHub Pages
	if: github.ref == 'refs/heads/master'
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: .build/all_doc
	destination_dir: dev

	# If on a release deploy to gh-pages top-level
	- name: Deploy release to GitHub Pages
	if: startsWith(github.ref, 'refs/tags/')
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: .build/all_doc

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