UI模块添加数据绑定装饰器

1.添加数据基类,子类自动添加代理,数据变化自动通知
 2.支持同属性多装饰器

demo/assets/resources/ui/Data.bin.meta

@@ -0,0 +1,12 @@
+{
+  "ver": "1.0.3",
+  "importer": "buffer",
+  "imported": true,
+  "uuid": "db12f6e3-dc8e-45aa-ba9f-90edf99cd732",
+  "files": [
+    ".bin",
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {}
+}