Crates System

+ Completely rewrote and modernized the crate system.
+ Fixed issues causing the add-on to stop working on Realms.
+ Added customizable Visual Settings and inner effects.
+ Revamped crate opening with an animated scrolling bar.
+ Added smooth roulette deceleration and reward selection.
+ Added Claim Reward and Spin Again buttons.
+ Added support for multiple players opening the same crate.
+ Added automatic reward percentages based on chest slot order.
+ Added Auto Percentage to the Edit Items menu.
+ Added 1,311 pre-rendered 3D block textures. (Textures for blocks)
+ Improved vanilla and custom item texture support.
+ Added purchasable crate keys with scoreboard currency support.
+ Added customizable crate names and two subtitle lines.
+ Added individual subtitle visibility settings.
+ Added crate Enable/Disable controls.
+ Added customizable cooldown and key settings.
+ Added claim sounds and special sounds for rare rewards.
+ Improved container protection and Admin permissions.
+ Reorganized scripts into separate modules for easier maintenance.

- Removed the old dropped-item crate opening animation.
- Removed the outdated single-file crate system structure.
- Removed the old crate-wide opening lock.
- Removed the old system that hid holograms during openings.
- Removed the requirement to manually assign every reward weight.
- Removed numeric item IDs from crate key selection buttons.
- Removed the old floating reward item display.
- Removed floating item rotation and bobbing settings.
- Removed the old Idle Particles system.
- Removed the previous outline effect and its configuration.
- Removed the outdated ten-colour shine approximation.
- Removed Key 18 and replaced it with Boss Key.
- Removed the old combined crate settings editor.