Update README.md #83

	name: deploy-book

	# Only run this when the master branch changes
	on:
	push:
	branches:
	- master

	# This job installs dependencies, build the book, and pushes it to `gh-pages`
	jobs:
	deploy-book:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	# Install dependencies
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3
	cache: 'pip'

	- name: Install dependencies
	run: \|
	pip install -r requirements.txt

	- name: Check Julia existence
	id: check_Julia
	uses: andstor/file-existence-action@v2
	with:
	files: "Project.toml"

	- name: Setup Julia
	if: steps.check_Julia.outputs.files_exists == 'true'
	uses: julia-actions/setup-julia@v1

	# - name: Use Julia cache
	# if: steps.check_Julia.outputs.files_exists == 'true'
	# uses: julia-actions/cache@v1

	- name: Install IJulia and Julia dependencies
	if: steps.check_Julia.outputs.files_exists == 'true'
	shell: julia --project="" --color=yes {0}
	run: \|
	import Pkg
	# Pkg.Registry.update()
	# Pkg.activate(".")
	# Pkg.instantiate()
	Pkg.add(["IJulia"])
	import IJulia
	IJulia.installkernel("Julia", "--project=@.")
	# Pkg.resolve()
	# Pkg.precompile()

	# Build the book
	- name: Build the book
	run: \|
	jupyter-book build .

	# Push the book's HTML to github-pages
	- name: GitHub Pages action
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./_build/html

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