add action to sync repo

Author: glitchcrab

.github/workflows/sync-fork.yaml

@@ -0,0 +1,27 @@
+name: Update fork
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+obs:
+  sync_with_upstream:
+    runs-on: ubuntu-latest
+    name: Sync main with upstream latest
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v5
+      with:
+        ref: main
+
+    - name: sync fork
+      id: sync
+      uses: XueMoMo/Sync-Fork-action@v1.0.6
+      with:
+        upstream_repository: CaddyBuilds/caddy-cloudflare
+        upstream_branch: main
+        target_branch: main
+
+    - name: Timestamp
+      run: date