Added PacketEvents support for smooth, lag-free mob health tags (TextDisplay-based)
Added new display-mode config option: AUTO, PACKET, or ARMORSTAND
Added PacketEvents as a soft-dependency — uses TextDisplay instead of ArmorStands when installed (ArmorStand is the fallback if PacketEvents is not present)
TextDisplay tags now mount as passengers on mobs for perfectly synced movement
Tags are now properly per-player — each player sees their own tag independently
Added text shadow on packet-based tags for better readability
Fixed /mobtag reload not reloading some of the config sections
Fixed mob tag holograms being laggy and stuttering when mobs are moving