Add GitHub Actions for automated release and npm publish #1

	name: Release & Publish

	on:
	push:
	tags:
	- 'v*'

	jobs:
	release:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	id-token: write

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

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'
	registry-url: 'https://registry.npmjs.org'

	- name: Install dependencies
	run: npm ci

	- name: Build
	run: npm run build

	- name: Extract version from tag
	id: version
	run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

	- name: Check if prerelease
	id: prerelease
	run: \|
	if [[ "${{ steps.version.outputs.VERSION }}" == "beta" ]] \|\| [[ "${{ steps.version.outputs.VERSION }}" == "alpha" ]] \|\| [[ "${{ steps.version.outputs.VERSION }}" == "rc" ]]; then
	echo "IS_PRERELEASE=true" >> $GITHUB_OUTPUT
	echo "NPM_TAG=beta" >> $GITHUB_OUTPUT
	else
	echo "IS_PRERELEASE=false" >> $GITHUB_OUTPUT
	echo "NPM_TAG=latest" >> $GITHUB_OUTPUT
	fi

	- name: Create GitHub Release
	uses: softprops/action-gh-release@v1
	with:
	generate_release_notes: true
	prerelease: ${{ steps.prerelease.outputs.IS_PRERELEASE == 'true' }}
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Publish to npm
	run: npm publish --tag ${{ steps.prerelease.outputs.NPM_TAG }} --provenance --access public
	env:
	NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

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