Add badges

README.md

@@ -2,7 +2,13 @@
 
 Noice is Not Noice, a noicer fork...
 
-<br>
+<p align="center">
+<a href="https://github.com/jarun/nnn/releases/latest"><img src="https://img.shields.io/github/release/jarun/nnn.svg?maxAge=600" alt="Latest release" /></a>
+<a href="https://aur.archlinux.org/packages/nnn"><img src="https://img.shields.io/aur/version/nnn.svg?maxAge=600" alt="AUR" /></a>
+<a href="https://launchpad.net/~twodopeshaggy/+archive/ubuntu/jarun/"><img src="https://img.shields.io/badge/ubuntu-PPA-blue.svg?maxAge=2592000" alt="Ubuntu PPA" /></a>
+<a href="https://github.com/jarun/nnn/blob/master/LICENSE"><img src="https://img.shields.io/badge/license-BSD%202--Clause-yellow.svg?maxAge=2592000" alt="License" /></a>
+<a href="https://travis-ci.org/jarun/nnn"><img src="https://travis-ci.org/jarun/nnn.svg?branch=master" alt="Build Status" /></a>
+</p>
 
 [![nnn-demo-20170405.mp4](https://i.imgur.com/VGA6IcB.png)](https://static.zhimingwang.org/nnn-demo-20170405.mp4 "Click for some action!")