Validate code style using StyleCI

Author: sibprogrammer

.styleci.yml

@@ -0,0 +1,6 @@
+preset: recommended
+
+disabled:
+  - align_double_arrow
+  - phpdoc_align
+  - phpdoc_annotation_without_dot

README.md

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 ## PHP library for Plesk XML-RPC API
 
 [![Build Status](https://travis-ci.com/plesk/api-php-lib.svg?branch=master)](https://travis-ci.com/plesk/api-php-lib) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/plesk/api-php-lib/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/plesk/api-php-lib/?branch=master)
+[![StyleCI](https://styleci.io/repos/26514840/shield?branch=master)](https://styleci.io/repos/26514840)
 
 PHP object-oriented library for Plesk XML-RPC API.