TimerWave 1.0.0

Added

• Initial Fabric 1.21.11 release.
• Server-side player timer commands.
• Countdown commands and visual completion blink (no sound).
• Blue top bossbar countdown progress.
• Multiple style presets and color gradients.
• Per-world persistent storage for timer/countdown states.

Changed

• Time display standardized to Xd Xh Xm Xs.