update intro.md #34

	name: deploy

	on:
	# Runs on pushes targeting the default branch
	push:
	branches: ["main"]

	# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
	permissions:
	pull-requests: write
	contents: write
	repository-projects: write
	pages: write
	id-token: write

	jobs:
	# Single deploy job since we're just deploying
	deploy:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Python 3.9
	uses: actions/setup-python@v4
	with:
	python-version: 3.9

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

	- name: Build the book
	run: jupyter-book build .

	- name: GitHub Pages action
	uses: peaceiris/actions-gh-pages@v4
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./_build/html

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