move workflow dir

.gitea/workflows/serial.yml

@@ -0,0 +1,16 @@
+name: U-Boot Serial Command
+
+on:
+  workflow_dispatch:
+
+jobs:
+  uboot-command:
+    runs-on: serial-runner
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Execute U-Boot bdinfo
+        run: |
+          ~/serial-venv/bin/python scripts/serial_command.py