Update README.md

README.md

 
 ```
 
-## API
-
 ---
 
+## API
+
 ### `config(options:RNFetchBlobConfig):fetch`
 
 `0.5.0`
 
 see [RNFetchBlobConfig](#user-content-rnfetchblobconfig)
 
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 ### `fetch(method, url, headers, body):Promise<FetchBlobResponse>`
 
 `legacy`
 Body of the HTTP request, body can either be a BASE64 string, or an array contains object elements, each element have 2  required property `name`, and `data`, and 1 optional property `filename`, once `filename` is set, content in `data` property will be consider as BASE64 string that will be converted into byte array later.
 When body is a base64 string , this string will be converted into byte array in native code, and the request body will be sent as `application/octet-stream`.
 
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 ### `fetch(...).progress(eventListener):Promise<FetchBlobResponse>`
 
 `0.4.2`
 
 TODO
 
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 ### `base64`
 
 
 RNFetchBlob.base64.decode(data)
 ```
 
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 ### `fs`
 
 `0.5.0`
 
 Connect `Media Scanner` and scan the file. see [Android Media Scanner, and Downloads App Support](#user-content-android-media-scanner-and-downloads-app-support) chapter for more information.
 
-## Types
-
 ---
 
+## Types
+
 ### RNFetchBlobConfig
 
 A set of configurations that will be injected into a `fetch` method, with the following properties.