fix readme miss-alignment

Author: Datseris

README.md

@@ -2,7 +2,7 @@
 
 
 | **Documentation**   | **Travis**     | **AppVeyor** |
-|:--------:|:--------:|:---------------:|:-----:|
+|:--------:|:--------:|:---------------:|
 |[![](https://img.shields.io/badge/docs-online-blue.svg)](https://juliamusic.github.io/JuliaMusic_documentation.jl/latest/) | [![Build Status](https://travis-ci.org/JuliaMusic/MotifSequenceGenerator.jl.svg?branch=master)](https://travis-ci.org/JuliaMusic/MotifSequenceGenerator.jl) | [![Build status](https://ci.appveyor.com/api/projects/status/4swi8ey64c82250h?svg=true)](https://ci.appveyor.com/project/JuliaDynamics/motifsequencegenerator-jl)
 
 A julia module to generate random sequences of motifs, under the constrain that the sequence has some given total length.