fix bundling

Author: wodCZ

src/index.ts

@@ -1,5 +1,5 @@
 export { default as CachePersistor } from './CachePersistor';
 export { default as persistCache } from './persistCache';
 export * from './persistCacheSync';
-export * from './storageWrappers';
+export * from './storageWrappers/index';
 export { PersistentStorage } from './types';