Update README with Antora-specific notes #26

	name: CI
	on:
	push:
	branches:
	- master
	- hls/antora # Temporary
	env:
	UPLOAD_BUCKET: s3://pedestal.io-upload
	DEPLOY_BUCKET: s3://pedestal.io

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Set AWS credentials
	uses: aws-actions/configure-aws-credentials@v1
	with:
	aws-access-key-id: ${{ secrets.DOCS_AWS_ACCESS_KEY_ID }}
	aws-secret-access-key: ${{ secrets.DOCS_AWS_ACCESS_KEY }}
	aws-region: us-east-1
	- name: Checkout
	uses: actions/[email protected]
	# TODO: Cache Dependencies
	- name: Install Node.js
	uses: actions/setup-node@v3
	with:
	node-version: '20'
	- name: Install Antora
	run: \|
	npm install --save-dev --save-exact # Uses package.json, package-lock.json
	npx antora -v
	- name: Run Antora
	# --fetch forces a fetch even if the repo previously exists
	run: npx antora --fetch antora-playbook.yml
	- name: Upload to AWS
	# Clear the upload bucket, then copy files to the it.
	run: \|
	aws s3 rm ${{ env.UPLOAD_BUCKET }} --recursive
	aws s3 cp api ${{ env.UPLOAD_BUCKET }}/api --recursive
	aws s3 cp build/site ${{ env.UPLOAD_BUCKET }} --recursive
	aws s3 cp script/robots.txt ${{ env.UPLOAD_BUCKET }}
	aws s3 ls ${{ env.UPLOAD_BUCKET }} # Temporary!
	# Sync the temporary bucket to the real bucket (should be super fast).
	# Goal here was to minimize disruption when rolling out changes.
	# Temporarily copy to the /antora directory (until docs are ready to go)
	- name: Sync upload to deployed
	run: aws s3 sync ${{ env.UPLOAD_BUCKET }} ${{ env.DEPLOY_BUCKET }}/antora --delete

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