Run the package repo mirror sync from CI every six hours

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019hLK3wsDuKVAC37GgDqg6H

.gitea/workflows/pkg-repo-sync.yml

@@ -0,0 +1,24 @@
+name: pkg-repo-sync
+
+on:
+  schedule:
+    - cron: "17 */6 * * *"
+  workflow_dispatch:
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: quattro
+
+      - name: Mirror upstream [omarchy] stable into the Gitea Arch registry
+        env:
+          PKG_SYNC_TOKEN: ${{ secrets.PKG_SYNC_TOKEN }}
+        run: |
+          set -euo pipefail
+          if ! command -v zstd > /dev/null; then
+            apt-get update -qq && apt-get install -y -qq zstd
+          fi
+          bash packages/sync-omarchy-repo.sh