Add example gallery (#55)

* Add example gallery

* Fix up dev docs deploy

Author: philippjfr

.github/workflows/docs.yml

@@ -70,6 +70,22 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
-      - name: Deploy to GitHub Pages
+      - name: Deploy dev
+        uses: peaceiris/actions-gh-pages@v4
+        # Dev site built on PRs
+        if: |
+          (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) ||
+          (github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'dev') ||
+          (github.event_name == 'push' && (contains(steps.vars.outputs.tag, 'a') || contains(steps.vars.outputs.tag, 'b') || contains(steps.vars.outputs.tag, 'rc')))
+        with:
+          personal_token: ${{ secrets.HOLOVIZ_ACCESS_TOKEN }}
+          external_repository: holoviz-dev/panel-reactflow
+          publish_dir: ./builtdocs
+          force_orphan: true
+      - name: Deploy main
+        if: |
+          (github.event_name != 'pull_request') &&
+          ((github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'main') ||
+          (github.event_name == 'push' && !(contains(steps.vars.outputs.tag, 'a') || contains(steps.vars.outputs.tag, 'b') || contains(steps.vars.outputs.tag, 'rc'))))
         id: deployment
         uses: actions/deploy-pages@v4