JFXCentral Badge

[dlemmermann]

Would be great if you could add this badge to your readme:

[![JFXCentral](https://img.shields.io/badge/Find_me_on-JFXCentral-blue?logo=googlechrome&logoColor=white)](https://www.jfx-central.com/libraries/materialfx)

[palexdev]

Done 👍