VelocitySlots

What's Changed

• add java version warning by @Komas19-new in https://github.com/Bedwarsia/VelocitySlots/pull/4

Full Changelog: https://github.com/Bedwarsia/VelocitySlots/compare/v1.0.1...v1.0.2

Added an Java version warning, if you are on any java version between Java 17 and Java 20 (included), you will recieve a warning tell you to update to Java 21.