Changes

• Added third-person tilt gun animation with a configurable toggle.
• Removed the exitLeanOnGuiOpen configuration option.
• Made PlayerAnimator an optional dependency.
• Refactored the LeanToggleHandler state machine for better state management and reliability.
• Added a configurable toggle for messages shown in right-click long-press lean mode.
• Added Traditional Chinese (zh_tw / zh_hk) language support.
• 增加第三人称动画并添加开关。
• 删除 exitLeanOnGuiOpen 配置选项。
• 增加 playeranimator 可选依赖。
• 重构 leantogglekey 状态机。
• 添加长按右键据枪模式的提示开关。
• 新增繁体字语言文件。