chore(actions): add sync

.github/workflows/sync.yaml

@@ -0,0 +1,25 @@
+name: Sync develop to master
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    name: Sync development branch with master
+
+    steps:
+      - name: Checkout Dev
+        uses: actions/checkout@v4
+        with:
+          ref: develop
+
+      - name: Merge master -> develop
+        uses: devmasx/merge-branch@master
+        with:
+          type: now
+          from_branch: master
+          target_branch: develop
+          github_token: ${{ secrets.GITHUB_TOKEN }}