VelKoth

Fix: Resolve Folia threading issues in Reward dispatch and Hologram spawning

• Updated Reward interface to include VelKothPlugin context.
• Modified CommandReward to use GlobalRegionScheduler for console commands to avoid "Dispatching command async" warnings.
• Fixed IllegalStateException in HologramManager by wrapping entity spawning in a regional scheduler task.
• Updated RewardManager to pass plugin instance to rewards.
• Project version bumped to 1.0.2.