update #37

	name: Build and Deploy Documents.

	on:
	push:
	branches: [ "main" ]

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

	# Allow one concurrent deployment
	concurrency:
	group: "pages"
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Install Requirements.
	run: pip3 install sphinx==5.3.0 sphinx_multiversion sphinx_book_theme sphinx_copybutton sphinxcontrib-mermaid myst-parser

	- name: Build
	run: \|
	git fetch --unshallow # fetch all history
	make mhtml
	find build -type d -name ".doctrees" \| xargs rm -rf
	find build -type f -name ".buildinfo" \| xargs rm -rf
	find build -type f -name "objects.inv" \| xargs rm -rf

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v1
	with:
	path: 'build'

	deploy:
	needs: build

	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}/main

	runs-on: ubuntu-latest
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v1

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