ci: add sync workflow for atlas-project rule

Author: jrmelsha

.github/workflows/sync-sources.yml

@@ -0,0 +1,38 @@
+name: Sync Rule Sources
+
+on:
+  schedule:
+    - cron: "0 */6 * * *"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+concurrency:
+  group: sync-sources
+  cancel-in-progress: true
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Sync atlas-project rule
+        run: |
+          curl -sfL \
+            "https://raw.githubusercontent.com/UserGeneratedLLC/rojo/refs/heads/master/.cursor/rules/atlas-project.mdc" \
+            -o atlas-project.mdc
+
+      - name: Commit and push
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add -A
+          if git diff --staged --quiet; then
+            echo "No changes to commit"
+          else
+            git commit -m "sync: update rule sources ($(date -u '+%Y-%m-%d %H:%M UTC'))"
+            git push
+          fi