ci: enable the /babar bot

Author: nadrummond

.github/workflows/babar.yml

@@ -0,0 +1,11 @@
+name: Babar
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  babar:
+    if: ${{ startsWith(github.event.comment.body, '/babar ') }}
+    uses: n3oltd/actions/.github/workflows/n3o-babar.yml@main
+    secrets: inherit