AMusic 0.18

• Cache API responses (for tab complete, only AMusicClient)
• Fix unsanitized placeholder value
• Improved sound upload page
• Store resourcepack and info in one file
• Use UUID for file name of packed resourcepack
• Added support for 1.21.5 - 1.21.11
• Added ability to load resourcepack on join
• Removed protocolize dependency on Velocity
• Rewriten resourcepack RAM server cache
• Added ability to pack resourcepack on start and store in RAM
• Fix sound overwrite on 1.20.3+ versions, when loaded multiple resourcepacks
• Use Java 21 for velocity