feat: add try-in-web-ide GH action (#511)

Signed-off-by: svor <[email protected]>

.github/workflows/try-in-web-ide.yaml

@@ -0,0 +1,25 @@
+
+#
+# Copyright (c) 2021 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+
+name: Try in Web IDE
+
+on:
+  pull_request_target:
+    types: [opened, synchronize]
+
+jobs:
+  add-link:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Web IDE Pull Request Check
+        id: try-in-web-ide
+        uses: redhat-actions/try-in-web-ide@main
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}