Temporal Horizons (Time Travel)

Initial public release of Temporal Horizons.

Features:
- 9 playable eras
- Time travel using the Time Jumper Device and Fast Return Device
- World transformations unique to each era
- Timeline propagation system
- Era-specific player effects
- New crafting recipes
- Fabric 1.21.1 support

Known issues:
- The first time an era is loaded, chunk generation may take a few seconds.
- Switching eras while moving at high speed may occasionally cause visual glitches until the chunks finish loading.
- Existing chunks created before installing the mod may not be loaded with eras features.
- Multiplayer support has not been tested.
- Minor visual or gameplay inconsistencies between eras may occasionally occur.
- Switching between eras too fast may cause game crashing.