TotemPractice

Added

• Added configurable difficulty levels.
• Added an offhand-only mode with per-difficulty hit intervals.
• Added automatic round termination when leaving the match world.

Changed

• Enforced stricter offhand-only totem usage.
• Updated score reporting to return 0 when no totems were used.
• Skipped PlayerHider initialization when PacketEvents is unavailable.
• Excluded duplicate META-INF entries from shadowJar builds.