Update README.md

Fixed linebreak between Twitter and Mail-Link

Author: DanielLeinberger

README.md

@@ -17,7 +17,8 @@ We would absolutely love to get the community involved, and we welcome any form
 
 ### Get in touch with the team
 
-Twitter: https://twitter.com/xdevsoftware<br/>
+Twitter: https://twitter.com/xdevsoftware 
+<br/>
 Mail: opensource@xdev-software.de
 
 ### Some ways to help: