Update Github badges

Signed-off-by: ArthurHoaro <arthur@hoa.ro>

README.md

@@ -6,10 +6,10 @@ _Do you want to share the links you discover?_
 _Shaarli is a minimalist delicious clone that you can install on your own server._
 _It is designed to be personal (single-user), fast and handy._
 
-[![](https://img.shields.io/badge/stable-v0.7.1-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.7.1)
+[![](https://img.shields.io/badge/stable-v0.8.4-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.8.4)
 [![](https://img.shields.io/travis/shaarli/Shaarli/stable.svg?label=stable)](https://travis-ci.org/shaarli/Shaarli)
 •
-[![](https://img.shields.io/badge/latest-v0.8.4-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.8.4)
+[![](https://img.shields.io/badge/latest-v0.9.0-blue.svg)](https://github.com/shaarli/Shaarli/releases/tag/v0.9.0)
 [![](https://img.shields.io/travis/shaarli/Shaarli/latest.svg?label=latest)](https://travis-ci.org/shaarli/Shaarli)
 •
 [![](https://img.shields.io/badge/master-v0.9.x-blue.svg)](https://github.com/shaarli/Shaarli)