chore: add mobile app

frontend-admin/node_modules/fbjs/lib/emptyObject.js.flow

@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @providesModule emptyObject
+ */
+'use strict';
+
+declare var __DEV__: boolean;
+const emptyObject = {};
+
+if (__DEV__) {
+  Object.freeze(emptyObject);
+}
+
+module.exports = emptyObject;