General updates & tidy-up #22

	name: Deploy PR Preview

	on:
	pull_request:
	types:
	- opened
	- reopened
	- synchronize
	- closed

	permissions:
	contents: write

	concurrency:
	group: "pr-preview"
	cancel-in-progress: false

	jobs:
	deploy-preview:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: '3.1'
	bundler-cache: true

	- name: Build with Jekyll
	run: bundle exec jekyll build
	env:
	JEKYLL_ENV: production

	- name: Deploy to gh-pages
	run: \|
	# Switch to gh-pages branch
	git fetch origin gh-pages:gh-pages \|\| git checkout --orphan gh-pages
	git checkout gh-pages

	# Clear and copy site
	rm -rf * 2>/dev/null \|\| true
	cp -r _site/* ./ 2>/dev/null \|\| true

	# Commit and push
	git add -A
	git config user.name "GitHub Actions"
	git config user.email "actions@github.com"
	git commit -m "Deploy preview from PR #${{ github.event.number }}" \|\| exit 0
	git push origin gh-pages

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