Create sync_branches.yml

.github/workflows/sync_branches.yml

@@ -0,0 +1,21 @@
+name: Sync branches
+
+on:
+  push:
+    branches:
+      - github
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Sync branches
+        uses: TreTuna/[email protected]
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          FROM_BRANCH: github
+          TO_BRANCH: main