PacketEventsSK

This update adds new stuff, fixes old stuff and optimizes other stuff.

Version Support:

• Paper 1.21.10+
• Skript 2.15.0+
• SkBee 1.17.2+

Added

• Github actions for building and checking codeflow
• new "packet type" property for packet wrappers
• new select bundle item packet support (fields: slot id and selected item index)
• added packet listener priority and listening to all packets for the packet event

Changed

• updated dependencies and redid build.gradle.ktws
• using paper plugin instead of a regular plugin
• changed plugin requirements (Paper 1.21.10+, Skript 2.15.0+, SkBee 1.17.2+)
• using reflection for packet creation instead of manual mapping (for maintability purposes)
• added all packet types, all block entity types and all sign sides, more in the future of a similar structure

Fixed

• NPE for the EntityTracker and EffSendOrReceivePacket
• Cancelling/altering packets is now rejected at parse time if the listener priority is monitor or if the event isn't netty processed