符合 Bukkit 规范的离线玩家 Uuid 生成实现

[natsurainko]

预期目标 What does the pull request do

• 符合 Bukkit 规范的离线玩家 Uuid 生成实现

检查清单 Checklist

• 预期的目标都已经实现
• 已经在本地测试了所有更改

关联事件 Related

• 固定启动器离线用户默认UUID生成规则

补充说明 Additional Information

无 N/A

---

PR-Codex overview

This PR enhances the GuidHelper class by adding a new method ToGuidHashAsName for generating a Guid from a player's username, ensuring it follows the Bukkit offline player UUID generation rules. It also introduces a new Uuid struct for Rfc4122 format handling.

Detailed summary

• Added method ToGuidHashAsName for generating a Guid from a username.
• Modified the hash calculation to ensure compliance with Bukkit UUID rules.
• Introduced a new private struct Uuid for Rfc4122 formatted GUID handling.
• Implemented methods for byte manipulation and formatting in Uuid.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}