Update intro.md #109

	name: deploy-book

	# Only run this when the master branch changes
	on:
	push:
	branches:
	- main
	# If your git repository has the Jupyter Book within some-subfolder next to
	# unrelated files, you can make this run only if a file within that specific
	# folder has been modified.
	#
	# paths:
	# - some-subfolder/**

	# This job installs dependencies, build the book, and pushes it to `gh-pages`
	jobs:
	deploy-book:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	# Install dependencies
	- name: Set up Python 3.7
	uses: actions/setup-python@v1
	with:
	python-version: 3.7

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

	# Build the book
	- name: Build the book
	env: # Set secret environment variables
	BSRN_FTP_USERNAME: ${{ secrets.BSRN_FTP_USERNAME }}
	BSRN_FTP_PASSWORD: ${{ secrets.BSRN_FTP_PASSWORD }}
	SODA_USERNAME: ${{ secrets.SODA_USERNAME }}
	run: \|
	jupyter-book build assessingsolar

	# Push the book's HTML to github-pages
	- name: GitHub Pages action
	uses: peaceiris/actions-gh-pages@v3.6.1
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: assessingsolar/_build/html
	cname: assessingsolar.org

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