Merge pull request #231 from andrii-i/fix-charter #76

	# Deploy the live documentation to our GitHub Pages site
	name: deploy

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

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

	# So that we can write to `gh-pages`
	permissions:
	contents: write

	steps:
	- uses: actions/checkout@v2

	# Install dependencies
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.x

	- uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('*/.md') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: \|
	pip install jupyter-book

	# 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@v3.5.9
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./_build/html

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