First draft of heat exchanger tutorial #185

	# https://github.com/executablebooks/github-action-demo/blob/master/.github/workflows/book.yml
	name: deploy-book

	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main

	# This job installs dependencies, build the book, and pushes it to `gh-pages`
	jobs:
	deploy-book:
	runs-on: ubuntu-latest

	permissions:
	contents: write

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v4
	with:
	python-version: 3.11

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

	- name: build jupyter book
	run: \|
	jupyter-book build .

	- name: fix CNAME
	run: \|
	cp CNAME _build/html/

	# 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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