docs: add GitHub Pages setup guide and enable workflow on feature branch #1

	name: Deploy VitePress Docs

	on:
	push:
	branches: [main, feature/docs-site]
	paths:
	- 'docs/**'
	- '.github/workflows/deploy-docs.yml'
	workflow_dispatch: # Allow manual triggers

	# Sets permissions for GitHub Pages deployment
	permissions:
	contents: read
	pages: write
	id-token: write

	# Prevent concurrent deployments
	concurrency:
	group: pages
	cancel-in-progress: false

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # For lastUpdated feature

	- name: Retrieve Node.js version
	id: node-version
	run: echo "node-version=$(grep '^nodejs ' .tool-versions \| awk '{print $2}')" >> $GITHUB_OUTPUT

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: ${{ steps.node-version.outputs.node-version }}
	cache: 'npm'
	cache-dependency-path: docs/package-lock.json

	- name: Setup Pages
	uses: actions/configure-pages@v4

	- name: Install dependencies
	working-directory: docs
	run: npm ci

	- name: Build with VitePress
	working-directory: docs
	run: npm run build

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: docs/.vitepress/dist

	deploy:
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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