update README #4

	name: Build and Deploy mdBook

	on:
	# automatically update docs when pushing to master
	push:
	branches: [ "master" ]
	# also allow to run the workflow manually from the actions tab
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Install Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1

	- name: Build the book
	run: \|
	cd docs
	./generate/build.sh "3.9.3"
	cargo install mdbook mdbook-linkcheck mdbook-toc mdbook-alerts
	mdbook build

	- name: Upload
	uses: actions/upload-pages-artifact@v3
	with:
	name: github-pages
	path: ./docs/out/html

	deploy:
	# Add a dependency to the build job
	needs: build

	# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
	permissions:
	pages: write # to deploy to Pages
	id-token: write # to verify the deployment originates from an appropriate source

	# Deploy to the github-pages environment
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}

	# Specify runner + deployment step
	runs-on: ubuntu-latest
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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