add xml as import to allow roller to include in the build

dist/editor/system/extensions/ext-locale/webappfind/zh_CN.js

@@ -0,0 +1,17 @@
+System.register([], function (exports) {
+  'use strict';
+  return {
+    execute: function () {
+
+      var zhCN = exports('default', {
+        name: 'WebAppFind',
+        buttons: [
+          {
+            title: '保存图片到磁盘'
+          }
+        ]
+      });
+
+    }
+  };
+});