feat: add baby and teen projects, update sample data

sample/workdir/subtree1.json

@@ -1,30 +1,39 @@
 {
-  "version": "1.8.0",
-  "name": "subtree1",
+  "$override": {
+  },
+  "custom": {
+  },
   "desc": "子树1",
-  "firstid": 1,
-  "group": [],
-  "import": [],
-  "vars": [],
+  "group": [
+  ],
+  "import": [
+  ],
+  "name": "subtree1",
+  "prefix": "",
   "root": {
-    "id": 1,
-    "name": "Sequence",
-    "desc": "新建行为树",
+    "$id": "GosdwkpHRi",
     "children": [
       {
-        "id": 2,
-        "name": "Log",
-        "args": {
-          "message": "hello"
-        }
+        "$id": "VJjl0tZcRq",
+        "desc": "新建行为树",
+        "id": "2",
+        "name": "Sequence",
+        "path": "workdir/sub/subtree1.json"
       },
       {
-        "id": 3,
-        "name": "Wait",
+        "$id": "6OKeNNuNW9",
         "args": {
           "time": 1
-        }
+        },
+        "id": "5",
+        "name": "Wait"
       }
-    ]
-  }
-}
+    ],
+    "desc": "新建行为树",
+    "id": "1",
+    "name": "Sequence"
+  },
+  "vars": [
+  ],
+  "version": "2.0.0"
+}