Add Java TLS warning

Author: freyacodes

README.md

@@ -21,13 +21,15 @@ Being used in production by FredBoat, Dyno, Rythm, LewdBot, and more.
 
 ## Requirements
 
-* Java 11 LTS or greater required.
+* Java 11* LTS or greater required.
 * OpenJDK or Zulu running on Linux AMD64 is officially supported.
 
 Support for Darwin (Mac), Windows AMD64, and Linux ARM (Raspberry Pi) is provided on a best-effort basis. This is dependent on Lavaplayer's native libraries.
 
 Support for other JVMs is also best-effort. Periodic CPU utilization stats are prone to not work everywhere.
 
+**\*Java 11 appears to have some issues with Discord's TLS 1.3. Java 14 has other undiagnosed HTTPS problems. Use Java 13. Docker images have been updated.** See [#258](https://github.com/Frederikam/Lavalink/issues/258), [#260](https://github.com/Frederikam/Lavalink/issues/260)
+
 ## Changelog
 
 Please see [here](CHANGELOG.md)