feat: added prettier formatter and github workflow to format on PR #3

	name: "auto-format"

	on:
	pull_request:
	branches: [main]

	jobs:
	format:
	name: format code with prettier
	runs-on: ubuntu-latest
	permissions:
	contents: write

	steps:
	- name: checkout code
	uses: actions/checkout@v4
	with:
	ref: ${{ github.head_ref }}
	token: ${{ secrets.GITHUB_TOKEN }}

	- name: setup node.js
	uses: actions/setup-node@v4
	with:
	node-version: 20.x
	cache: "npm"

	- name: install dependencies
	run: npm ci

	- name: run prettier
	run: npm run format

	- name: commit and push if changed
	run: \|
	git config --local user.email "github-actions[bot]@users.noreply.github.com"
	git config --local user.name "github-actions[bot]"
	git add -A
	if ! git diff --staged --quiet; then
	git commit -m "style: auto-format code with Prettier"
	git push
	else
	echo "No formatting changes needed"
	fi

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