add deploy testing site

Signed-off-by: Andre Bossert <anb0s@anbos.de>

Author: anb0s

.github/workflows/pull_request-or-main.yml

@@ -35,3 +35,16 @@ jobs:
       with: 
         name: EasyShell-update-site-PR${{ github.event.pull_request.number }}
         path: site/target/repository
+
+  deploy-testing:
+    runs-on: ubuntu-latest
+    needs: [platform]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Deploy for Testing
+      if: github.event_name == 'pull_request' && contains(github.head_ref, 'testing')
+      uses: JamesIves/github-pages-deploy-action@v4
+      with:
+        branch: gh-pages
+        folder: site/updates
+        clean: false