added generic notes about token handling #169

	# =============================================================================
	# @file build-myst.yml
	# @brief GitHub Actions workflow to build DIBS docs using MyST
	# @author Michael Hucka <mhucka@caltech.edu>
	# @license Please see the file named LICENSE in the project directory
	# @website https://github.com/caltechlibrary/dibs
	#
	# This workflow file was originally based on work by GitHub user "peaceiris":
	# https://github.com/peaceiris/actions-gh-pages#%EF%B8%8F-static-site-generators-with-python
	# =============================================================================

	name: Update docs on GitHub

	on:
	push:
	branches:
	- develop
	- main

	jobs:
	deploy:
	runs-on: ubuntu-18.04
	steps:
	- uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.8'

	- name: Upgrade pip
	run: \|
	# install pip=>20.1 to use "pip cache dir"
	python3 -m pip install --upgrade pip

	- name: Get pip cache dir
	id: pip-cache
	run: echo "::set-output name=dir::$(pip cache dir)"

	- name: Cache dependencies
	uses: actions/cache@v2
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: \|
	python3 -m pip install "myst-parser[linkify]"
	python3 -m pip install sphinx-material
	python3 -m pip install sphinxcontrib-mermaid

	- name: Build
	run: \|
	cd docs
	make html

	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./docs/_build/html

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