Update README.md

Author: gleidsonmt

README.md

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 [![Release](https://img.shields.io/badge/Release-v1.0--rc-blue.svg?style=for-the-badge)](https://github.com/Gleidson28/GNAvatarView/releases/tag/1.0)
 [![License](https://img.shields.io/github/license/Gleidson28/GNAvatarView.svg?style=for-the-badge)](https://github.com/Gleidson28/GNCarousel/blob/master/LICENSE) 
 
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+<h1></h1>
 
 # GNAvatarView
 Component avatar view for javafx-8