Rebuild docs as React+MDX, replace Jekyll entirely #23

	name: Deploy Homepage & Documentation

	on:
	push:
	branches: [ main ]
	paths:
	- 'docs/**'
	- '.github/workflows/deploy-docs.yml'
	pull_request:
	branches: [ main ]
	paths:
	- 'docs/**'

	permissions:
	contents: read
	pages: write
	id-token: write

	concurrency:
	group: "pages"
	cancel-in-progress: false

	jobs:
	build:
	runs-on: ubuntu-latest

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

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'
	cache: 'npm'
	cache-dependency-path: docs/package-lock.json

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

	- name: Build with Vite
	run: npm run build
	working-directory: ./docs

	# SPA fallback for GitHub Pages client-side routing
	- name: Create 404 fallback
	run: cp docs/dist/index.html docs/dist/404.html

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

	deploy:
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	needs: build
	if: github.ref == 'refs/heads/main'

	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

Provide feedback