add:增加手持功能；

add：增加看板功能

acs/dummy.ipynb

@@ -0,0 +1,22 @@
+{
+  "cells": [
+    {
+      "cell_type": "code",
+      "execution_count": null,
+      "metadata": {
+        "vscode": {
+          "languageId": "javascript"
+        }
+      },
+      "outputs": [],
+      "source": []
+    }
+  ],
+  "metadata": {
+    "language_info": {
+      "name": "python"
+    }
+  },
+  "nbformat": 4,
+  "nbformat_minor": 2
+}