[feat] Convert the documentation to Read The Docs template #173

	name: Build documentation
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master
	jobs:
	build-docs:
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Fetch release tags from GitHub
	# Workaround for https://github.com/actions/checkout/issues/290
	run: git fetch --tags --force
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y build-essential libeigen3-dev libyaml-dev libfftw3-dev libavcodec-dev libavformat-dev libavutil-dev libswresample-dev libsamplerate0-dev libtag1-dev libchromaprint-dev python3-dev python3-numpy-dev python3-numpy python3-yaml python3-six
	sudo apt-get install -y doxygen python3-pip pandoc
	pip3 install sphinx pyparsing sphinxcontrib-doxylink docutils jupyter sphinx-toolbox nbformat gitpython
	# Install TensorFlow
	sudo sh src/3rdparty/tensorflow/setup_from_libtensorflow.sh
	# Install Gaia dependencies
	sudo apt-get install qtbase5-dev swig pkg-config
	- name: Build Gaia
	run: \|
	git clone https://github.com/MTG/gaia.git
	cd gaia
	python3 waf configure --with-python-bindings
	python3 waf
	sudo python3 waf install

	- name: Build Essentia
	run: \|
	python3 waf configure --with-python --with-gaia --with-tensorflow
	python3 waf

	- name: Build documentation
	run: \|
	python3 waf doc
	- name: Upload built documentation
	uses: actions/upload-artifact@v2
	with:
	name: essentia-docs
	path: \|
	doc/sphinxdoc/_build/html/*
	if-no-files-found: error

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