Extract JarDownloadUtil and use output dir

Update build.yml

v7.1.0 Release

Fix #7: Duplicates *.jar files on update (if they have a different capitalization)

Remove IDE-specific files and update .gitignore

Update build workflow, README, and Maven config

Replace build-helper plugin with antrun for jar copying

Add Folia support and improve update logic

GitBook: No commit message

more robust logging v6.5 (remove print)

v5.5 bug fix

v5.5 release

v5.0 small velocity bug fix

Update AutoUpdateGeyser.java

remove junk