feat: add mermaid support and github link #2

	name: Deploy docs to GitHub Pages
	on:
	push:
	branches:
	- master
	paths:
	- 'spec/**'
	- 'book.toml'
	- '.github/workflows/deploy-docs.yml'

	jobs:
	deploy:
	runs-on: ubuntu-latest
	permissions:
	contents: write # To push a branch
	pages: write # To push to a GitHub Pages site
	id-token: write # To update the deployment status
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Install latest mdbook
	run: \|
	tag=$(curl 'https://api.github.com/repos/rust-lang/mdbook/releases/latest' \| jq -r '.tag_name')
	url="https://github.com/rust-lang/mdbook/releases/download/${tag}/mdbook-${tag}-x86_64-unknown-linux-gnu.tar.gz"
	mkdir mdbook
	curl -sSL $url \| tar -xz --directory=./mdbook
	echo `pwd`/mdbook >> $GITHUB_PATH
	- name: Install latest mdbook-mermaid
	run: \|
	tag=$(curl 'https://api.github.com/repos/badboy/mdbook-mermaid/releases/latest' \| jq -r '.tag_name')
	url="https://github.com/badboy/mdbook-mermaid/releases/download/${tag}/mdbook-mermaid-${tag}-x86_64-unknown-linux-gnu.tar.gz"
	mkdir mdbook-mermaid
	curl -sSL $url \| tar -xz --directory=./mdbook-mermaid
	echo `pwd`/mdbook-mermaid >> $GITHUB_PATH
	- name: Build Book
	run: \|
	# This assumes your book is in the root of your repository.
	# Just add a `cd` here if you need to change to another directory.
	mdbook build
	- name: Setup Pages
	uses: actions/configure-pages@v4
	- name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	# Upload entire repository
	path: 'book'
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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