Add copilot-setup-steps workflow (#281)

Add copilot-setup-steps workflow using the reusable template from
r.pkg.template.

---------

Signed-off-by: Marcin <133694481+m7pr@users.noreply.github.com>
Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: m7pr

.github/workflows/copilot-setup-steps.yml

@@ -0,0 +1,11 @@
+---
+name: Copilot Agent Setup
+
+on:
+  workflow_dispatch:
+
+jobs:
+  copilot-setup-steps:
+    name: Copilot Agent Setup
+    uses: insightsengineering/r.pkg.template/.github/workflows/copilot-setup-steps.yaml@main
+