Center the ConnectLib banner in README

Author: Sandro642

README.md

@@ -1,4 +1,7 @@
-![ConnectLib Banner](banner.png)
+<center>
+ ![ConnectLib Banner](banner.png)
+</center>
+
 
 
 ![Version](https://img.shields.io/github/v/tag/Sandro642/ConnectLib?label=Version\&style=for-the-badge\&color=blue\&logo=github) ![Java](https://img.shields.io/badge/java-%23ED8B00.svg?style=for-the-badge\&logo=openjdk\&logoColor=white) ![Project Reactor](https://img.shields.io/badge/Project%20Reactor-6DB33F?style=for-the-badge\&logo=spring\&logoColor=white)