Add gh pages deployment

.github/workflows/deploy-gh-pages.yaml

@@ -0,0 +1,42 @@
+name: deploy-gh-pages
+on: workflow_dispatch
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./www
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+      - run: npm install .
+      - run: npm run build
+      - uses: actions/upload-pages-artifact@v2
+        with:
+          path: ./www/dist
+
+  # Deploy job
+  deploy:
+    # Add a dependency to the build job
+    needs: build
+
+    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    # Specify runner + deployment step
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2 # or the latest "vX.X.X" version tag for this action