update workflow to install Julia #8

	name: Build and Deploy Book

	on:
	push:
	branches:
	- main

	permissions: write-all

	env:
	PYTHON_VERSION: 3.12
	JULIA_VERSION: 1.11

	jobs:
	build-and-deploy-book:
	runs-on: ubuntu-latest
	steps:
	# Checkout repository
	- uses: actions/checkout@v2

	# Set up Python
	- name: Set up Python
	uses: actions/setup-python@v1
	with:
	python-version: ${{ env.PYTHON_VERSION }}

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

	# Set up Julia
	- name: Set up Julia
	uses: julia-actions/setup-julia@v2
	with:
	version: ${{ env.JULIA_VERSION }}

	# Install IJulia
	- name: Install IJulia
	run: \|
	julia -e 'using Pkg; Pkg.add("IJulia"); using IJulia'

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

	# Deploy to GitHub Pages
	- name: Deploy Documentation
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: book/_build/html

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