Update README.md

README.md

@@ -1,11 +1,13 @@
+<p align="center">
+![Logo](https://github.com/azuyalabs/yasumi/blob/gh-pages/images/yasumi_logo_wb.png)
+</p>
+
 [![GitHub Release](https://img.shields.io/github/release/azuyalabs/yasumi.svg?style=flat-square)](https://github.com/azuyalabs/yasumi/releases)
 [![Total Downloads](https://img.shields.io/packagist/dt/azuyalabs/yasumi.svg?style=flat-square)](https://packagist.org/packages/azuyalabs/yasumi)
 [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
 [![Build Status](https://img.shields.io/travis/azuyalabs/yasumi.svg?style=flat-square)](https://travis-ci.org/azuyalabs/yasumi)
 [![StyleCI](https://styleci.io/repos/32797151/shield?branch=master)](https://styleci.io/repos/32797151)
 
-![Logo](https://github.com/azuyalabs/yasumi/blob/gh-pages/images/yasumi_logo_wb.png)
-
 Yasumi (Japanese for 'Holiday'「休み」) is an easy PHP library to help you calculate the dates and names of holidays and other
 special celebrations from various countries/states. Many services exist on the internet that provide holidays, however
 are either not free or offer only limited information. In addition, no complete PHP library seems to exist today