Update README.md

Author: wkh237

README.md

@@ -4,6 +4,8 @@ A react-native module for fetch file/image with custom headers, supports blob re
 
 If you're dealing with image or file server that requires an `Authorization` token in the header, or you're having problem with `fetch` API when receiving blob data, you might try this module (this is also the reason why I made this plugin).
 
+see [[fetch] Does fetch with blob() marshal data across the bridge?]([fetch] Does fetch with blob() marshal data across the bridge?).
+
 This module enables you upload/download binary data in js, see [Examples](#user-content-usage) bellow. 
 
 The source code is very simple, just an implementation of native HTTP request, supports both Android (uses awesome native library  [AsyncHttpClient](https://github.com/AsyncHttpClient/async-http-client])) and IOS.