Outline Shader: Added an outline shader for objects.
Tutorial Fatal Error Fix: Resolved the fatal error occurring in the bar section at the end of the tutorial.
Upgrade and Crafting Improvements: Enhancements have been made to the upgrade and crafting systems.
Creature Behavior: Creatures will now behave more stably.
Code Optimization and Bug Fixes: Various optimizations and bug fixes have been implemented across the codebase.
