Update deploy.yml to clean gh-pages branch before deployment #4

	name: Deploy Docusaurus to GitHub Pages

	on:
	push:
	branches:
	- main
	workflow_dispatch:

	permissions:
	contents: write

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'

	- name: Install dependencies
	run: npm ci

	- name: Build Docusaurus site
	run: npm run build

	- name: Clean gh-pages branch
	run: \|
	git fetch origin
	git checkout gh-pages \|\| git checkout --orphan gh-pages
	git rm -rf .
	git clean -fdx
	git commit --allow-empty -m "Clean gh-pages branch"
	git push origin gh-pages

	- name: Deploy to GitHub Pages
	uses: peaceiris/actions-gh-pages@v4
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./build
	destination_dir: swdr5-docs

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