Update README.md

Author: SyysBiir

Diff for: README.md

@@ -1,5 +1,6 @@
 # JSON to HTTP Query string
 > This package allows you to convert JSON to Http query string
+[![npm](https://img.shields.io/npm/v/github-buttons)](https://www.npmjs.com/package/json-to-http-query-string)
 
 ## Getting Started
 To install the module, run the following in the command line:
@@ -20,4 +21,4 @@ jsonToQuery({
   }
 }) 
 //foo=hi&bar%5Bblah%5D%5B0%5D=1&bar%5Bblah%5D%5B1%5D=2&bar%5Bblah%5D%5B2%5D=3&bar%5Bblah2%5D=123
-```
+```