Update

.github/workflows/MirrorSync.yml

@@ -0,0 +1,20 @@
+name: "SyncMirror"
+
+on:
+  workflow_dispatch:
+  push:
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout codes"
+        uses: actions/checkout@v2
+
+      - name: "Sync"
+        id: commit
+        run: |
+          git fetch --unshallow
+          git checkout master
+          git remote add gitea ${{ secrets.GITEA_URL }}
+          git push gitea master