📚 Fix badge

Author: VincentLanglet

README.md

@@ -1,7 +1,7 @@
 # Symfony Custom Coding Standard
 
 [![MIT Licence](https://badges.frapsoft.com/os/mit/mit.png?v=103)](https://opensource.org/licenses/mit-license.php)
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+[![CircleCI](https://circleci.com/gh/VincentLanglet/symfony-custom-coding-standard.svg?style=svg)](https://circleci.com/gh/VincentLanglet/symfony-custom-coding-standard)
 
 Customized coding standards for Symfony projects.