ci: Add try in Web IDE action

Signed-off-by: Anatolii Bazko <abazko@redhat.com>

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

@@ -0,0 +1,28 @@
+#
+# Copyright (c) 2019-2021 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
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
+# Add Web IDE link on PRs
+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
+        uses: redhat-actions/try-in-web-ide@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          add_comment: false