CI: Add job to test docs build #2

	name: "Pull Request Docs Check"

	on:
	pull_request:
	paths:
	- ".github/workflows/docs-build.yml"
	- "docs/**"
	push:
	paths:
	- ".github/workflows/docs-build.yml"
	- "docs/**"
	branches:
	- main

	jobs:
	docs:
	runs-on: ubuntu-22.04
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ env.DEFAULT_PYTHON }}

	- name: Install dependencies and build docs
	run: \|
	# Setup version
	version=$(git describe --tags --abbrev=0)
	echo "__version__ = '$version'" > trakt/__version__.py
	cat trakt/__version__.py
	python -c "from trakt import __version__; print(__version__)"

	# Install deps and build docs
	pip install -r requirements.txt
	sudo apt install sphinx
	make docs

	# vim:ts=2:sw=2:et

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