Ci: add sync.yml

Signed-off-by: DreamConnected <109940850+DreamConnected@users.noreply.github.com>

Author: DreamConnected

.github/workflows/sync.yml

@@ -0,0 +1,19 @@
+name: Sync Fork
+
+on:
+  schedule:
+    - cron: '0 12 * * *' # every  12:00
+  workflow_dispatch: # on button click
+
+jobs:
+  sync:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: tgymnich/fork-sync@v2.0.10
+        with:
+          owner: Container-On-Android
+          base: main
+          head: main
+          pr_message: "Merge branch 'lxc:main' into main"