Updating syntax reference with code showing how to select layout and … #424

	name: Publish release preview package

	on:
	push:
	branches:
	- 'release/**'

	jobs:
	publish-preview:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: pnpm/action-setup@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	cache: pnpm
	node-version-file: '.node-version'

	- name: Install Packages
	run: \|
	pnpm install --frozen-lockfile
	env:
	CYPRESS_CACHE_FOLDER: .cache/Cypress

	- name: Install Json
	run: npm i json --global

	- name: Publish
	working-directory: ./packages/mermaid
	run: \|
	PREVIEW_VERSION=$(git log --oneline "origin/$GITHUB_REF_NAME" ^"origin/master" \| wc -l)
	VERSION=$(echo ${{github.ref}} \| tail -c +20)-preview.$PREVIEW_VERSION
	echo $VERSION
	npm version --no-git-tag-version --allow-same-version $VERSION
	npm set //npm.pkg.github.com/:_authToken ${{ secrets.GITHUB_TOKEN }}
	npm set registry https://npm.pkg.github.com/mermaid-js
	json -I -f package.json -e 'this.name="@mermaid-js/mermaid"' # Package name needs to be set to a scoped one because GitHub registry requires this
	json -I -f package.json -e 'this.repository="git://github.com/mermaid-js/mermaid"' # Repo url needs to have a specific format too
	npm publish

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