Adds php-cs-fixer in composer.json and updates readme

Author: ecrmnn

README.md

@@ -2,6 +2,8 @@
 > ✅ Make your PHPUnit output beautiful
 
 [![Build Status](https://travis-ci.com/sempro/phpunit-pretty-print.svg?branch=master)](https://travis-ci.com/sempro/phpunit-pretty-print)
+[![Packagist](https://img.shields.io/packagist/dt/sempro/phpunit-pretty-print.svg)](https://packagist.org/packages/sempro/phpunit-pretty-print)
+[![Packagist](https://img.shields.io/packagist/v/sempro/phpunit-pretty-print.svg)](https://packagist.org/packages/sempro/phpunit-pretty-print)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com)
 [![psr-2](https://img.shields.io/badge/code_style-PSR_2-blue.svg)](http://www.php-fig.org/psr/psr-2/)
 

composer.json

@@ -1,6 +1,6 @@
 {
     "name": "sempro/phpunit-pretty-print",
-    "version": "1.1.6",
+    "version": "1.1.7",
     "description": "Prettify PHPUnit output",
     "type": "library",
     "license": "MIT",
@@ -14,5 +14,8 @@
         "psr-4": {
             "Sempro\\PHPUnitPrettyPrinter\\": "src/"
         }
+    },
+    "require-dev": {
+        "friendsofphp/php-cs-fixer": "^2.15"
     }
-}
+}