refactor(v1): add styleci badge

Author: CodeDredd

README.md

@@ -3,6 +3,7 @@
 [![Software License](https://img.shields.io/github/license/codedredd/laravel-soap?style=flat-square)](LICENSE.md)
 [![Total Downloads](https://img.shields.io/packagist/dt/codedredd/laravel-soap?style=flat-square)](https://packagist.org/packages/codedredd/laravel-soap)
 ![test](https://img.shields.io/github/workflow/status/codedredd/laravel-soap/test?style=flat-square)
+![styleci](https://github.styleci.io/repos/7548986/shield)
 ![version](https://img.shields.io/github/v/release/codedredd/laravel-soap?style=flat-square)
 
 - [Installation](#installation)