Update README.md

README.md

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 # UNA (United Networking Applications) - [https://una.io](https://una.io)
+[![UNA Official Website]https://img.shields.io/badge/website-una.io-blue.svg](https://una.io)
 [![license](https://img.shields.io/github/license/unaio/una.svg)](https://github.com/unaio/una/blob/master/license.txt)
 [![UNA All Releases](https://img.shields.io/github/downloads/unaio/una/total.svg)](https://github.com/unaio/una)
 [![Follow UNA Team](https://img.shields.io/twitter/follow/unateam.svg?style=social&label=Follow)](https://twitter.com/unateam)