add deploy step (#12)

.github/workflows/build_web.yaml

@@ -3,6 +3,9 @@ name: build_web
 on:
   workflow_dispatch:
   pull_request:
+  push:
+    branches:
+      - main
   schedule:
     - cron: '0 8 * * *'
 
@@ -16,4 +19,15 @@ jobs:
     - run: npm ci
     - run: npm run clone
     - run: npm run unit
-    - run: npm run webpack:build
+    - run: npm run webpack:build
+    - name: deploy playground.abaplint.org
+      uses: peaceiris/actions-gh-pages@v3
+      if: github.ref == 'refs/heads/main' && github.repository == 'abap2UI5/abap2UI5-web'
+      with:
+        deploy_key: ${{ secrets.DEPLOY_WEB }}
+        external_repository: abap2UI5/web-abap2ui5-samples
+        user_name: 'github-actions[bot]'
+        user_email: 'github-actions[bot]@users.noreply.github.com'
+        publish_branch: main
+        force_orphan: true
+        publish_dir: ./build