Added ExcelJSON to websites using VueJS (vuejs#718)

Actual website - http://exceljson.com
Source - https://github.com/palerdot/exceljson

README.md

@@ -738,6 +738,7 @@ vue-router 2.0, vue-infinite-scroll 2.0, vue-progressbar 2.0 by [TIGERB](https:/
   - [Rubik Cube](https://caolinjian.github.io/rubik-cube/dist/index.html) <sup>[[Source]](https://github.com/caolinjian/rubik-cube)</sup>: 魔方
   - [Peek-a-tab, Tabs Manager for Google Chrome™](https://chrome.google.com/webstore/detail/peek-a-tab-tabs-manager-f/nnpdamdaknpnohmlbnmgphiodghbohop)<sup>[[Source]](https://github.com/pramjeet/peek-a-tab)</sup> A Chrome Extension for tabs management, Search, preview, jump across, and close tabs quickly.
   - [Web Learn](https://freearhey.github.io/web-learn) <sup>[[Source]](https://github.com/freearhey/web-learn)</sup>: A service which provides simple access to thousands of video tutorials on web developing and programming.
+  - [ExcelJSON](http://exceljson.com) <sup>[[Source]](https://github.com/palerdot/exceljson)</sup>: A tool to convert CSV, TSV to/from JSON.
 
 - #### Commercial Products