Custom gh pages deployment

.github/workflows/pages.yaml

@@ -0,0 +1,37 @@
+name: Deploy static content to Pages
+
+on:
+  push:
+    branches: ['gh-pages']
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: 'pages'
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    # environment:
+    #   name: github-pages
+    #   url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run build -- --base=spaced/demo --outDir=../../_site/demo
+      - run: npm run static:build -- --base=spaced
+      - uses: actions/configure-pages@v5
+      - uses: actions/upload-pages-artifact@v3
+      - uses: actions/deploy-pages@v4
+        id: deployment