ui-default: init

将ui-default合并至主存储库便于维护

packages/ui-default/constant/util/objectMeta.js

@@ -0,0 +1,8 @@
+export default function attachObjectMeta(obj, key, value) {
+  Object.defineProperty(obj, `__${key}`, {
+    value,
+    enumerable: false,
+    configurable: false,
+    writable: false,
+  });
+}