readme: add more badges

Author: jprichardson

README.md

@@ -3,8 +3,11 @@ Node.js - jsonfile
 
 Easily read/write JSON files.
 
+[![npm Package](https://img.shields.io/npm/v/jsonfile.svg?style=flat-square)](https://www.npmjs.org/package/jsonfile)
 [![build status](https://secure.travis-ci.org/jprichardson/node-jsonfile.svg)](http://travis-ci.org/jprichardson/node-jsonfile)
+[![windows Build status](https://img.shields.io/appveyor/ci/jprichardson/node-jsonfile/master.svg?label=windows%20build)](https://ci.appveyor.com/project/jprichardson/node-jsonfile/branch/master)
 
+<a href="https://github.com/feross/standard"><img src="https://cdn.rawgit.com/feross/standard/master/sticker.svg" alt="Standard JavaScript" width="100"></a>
 
 Why?
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@@ -157,9 +160,4 @@ License
 
 (MIT License)
 
-Copyright 2012-2015, JP Richardson  <[email protected]>
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+Copyright 2012-2016, JP Richardson  <[email protected]>