feat: add redirect workflow to book #250

	name: Build Push github pages

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	build-book:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Upgrade pip
	run: \|
	# install pip=>20.1 to use "pip cache dir"
	python3 -m pip install --upgrade pip
	- name: Get pip cache dir
	id: pip-cache
	run: echo "::set-output name=dir::$(pip cache dir)"

	- name: Cache dependencies
	uses: actions/cache@v4
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: python3 -m pip install nox

	- run: nox -s docs-test

	- name: Push to gh-pages branch for publication from main
	if: github.ref == 'refs/heads/main'
	uses: peaceiris/actions-gh-pages@v4
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./_build/html

	# Test for bad links and ensure alt tags for usability
	- name: Check HTML using htmlproofer
	uses: chabad360/htmlproofer@v2
	with:
	directory: '_build/html'
	arguments: \|
	--ignore-files "/.+\/_static\/.+/,/genindex.html/,/.+\/reference\/.+/"
	--ignore-status-codes "200, 302, 404, 403, 429, 503, 999"

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