update README #21

	name: Build and Deploy mdBook


	on:
	push:
	branches:
	- markdown

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive
	- uses: actions-rust-lang/setup-rust-toolchain@v1
	- run: ./generate/build.sh "3.9.3" "/xrnx/"
	- run: cargo install mdbook
	- run: cargo install mdbook-linkcheck

	- name: Build the book
	run: mdbook build

	- uses: actions/upload-pages-artifact@v3
	with:
	name: github-pages
	path: ./book

	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 # or specific "vX.X.X" version tag for this action

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