README.md in zip_tricks-4.6.0 vs README.md in zip_tricks-4.7.0

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+ new

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 # zip_tricks
 
 [![Build Status](https://travis-ci.org/WeTransfer/zip_tricks.svg?branch=master)](https://travis-ci.org/WeTransfer/zip_tricks)
+[![Gem Version](https://badge.fury.io/rb/zip_tricks.svg)](https://badge.fury.io/rb/zip_tricks)
 
 Allows streaming, non-rewinding ZIP file output from Ruby.
 
 Initially written and as a spiritual successor to [zipline](https://github.com/fringd/zipline)
 and now proudly powering it under the hood.