docs: publish VitePress documentation on GitHub Pages

.github/workflows/pages.yml

@@ -0,0 +1,63 @@
+name: Documentation site
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - "docs/**"
+      - "package.json"
+      - "package-lock.json"
+      - ".nvmrc"
+      - ".github/workflows/pages.yml"
+  pull_request:
+    branches: [main]
+    paths:
+      - "docs/**"
+      - "package.json"
+      - "package-lock.json"
+      - ".nvmrc"
+      - ".github/workflows/pages.yml"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: pages-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+env:
+  HUSKY: "0"
+
+jobs:
+  build:
+    name: Build documentation
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+      - run: npm ci
+      - run: npm run docs:build
+      - uses: actions/upload-pages-artifact@v4
+        if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
+        with:
+          path: docs/.vitepress/dist
+
+  deploy:
+    name: Publish documentation
+    if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - uses: actions/configure-pages@v5
+      - uses: actions/deploy-pages@v4
+        id: deployment