[Feature] 重制GH加速功能（代理重试+缓存+可配置）

[DeterMination-Wind]

Summary

• 重制 GitHub 加速为独立 GithubAcceleration 模块：支持代理列表配置（Asset/API 分流）、多轮自动重试和静态资源缓存。
• 扩展 Arc Http hook 能力（onBeforeRequest + request success/directResponse）：支持请求级重试链路与缓存命中直返，并让 HttpResponse 可复读响应内容用于缓存。
• 接入 QuickSettings（NewToolTable 新增 GH 按钮，长按打开配置面板），并保留旧 githubMirror 配置向新开关迁移。

Changes

• 新增 src/mindustryX/features/GithubAcceleration.kt（单文件实现代理、重试、缓存、设置 UI）。
• 更新 patches/arc/0001-API-Http.onBeforeRequest.patch，为 HttpRequest/HttpResponse 增加重试与缓存直返所需能力。
• Hooks.beforeInit() 改为初始化 GithubAcceleration；移除旧 Hooks.onHttp 单镜像替换逻辑。
• 删除 VarsX.githubMirror 旧设置项，新增中英文设置文案键（githubAcceleration.*）。

Verify

• gradle :core:compileKotlin ✅
• gradle :core:compileJava 受 :core:patchGeneratedSources 既有补丁冲突影响（与本改动无关）

Fixes #89

[gemini-code-assist]

Summary of Changes

Hello @DeterMination-Wind, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

此拉取请求旨在通过引入一个全新的、功能更强大的GitHub加速模块来显著提升GitHub相关请求的可靠性和性能。通过支持可配置的代理列表、智能的自动重试机制以及静态资源缓存，它解决了访问GitHub资源时可能遇到的连接问题和延迟，从而为用户提供更流畅的体验。

Highlights

• GitHub加速功能重构: 将GitHub加速功能重构为一个独立的GithubAcceleration模块，支持代理列表配置（资产/API分流）、多轮自动重试和静态资源缓存。
• Arc Http Hook能力扩展: 扩展了Arc Http的hook能力（onBeforeRequest + 请求成功/直接响应），以支持请求级别的重试链路和缓存命中直返，并使HttpResponse可复读响应内容用于缓存。
• QuickSettings集成与旧配置迁移: 集成了QuickSettings，在NewToolTable中新增了GH按钮，长按可打开配置面板，并保留了旧的githubMirror配置向新开关迁移的逻辑。

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Changelog

• assets/bundles/bundle-mdtx.properties
  • 新增了GitHub加速功能的中文配置项，包括类别、启用开关、缓存、缓存过期时间、最大尝试次数和代理列表。
• assets/bundles/bundle-mdtx_en.properties
  • 新增了GitHub加速功能的英文配置项，包括类别、启用开关、缓存、缓存过期时间、最大尝试次数和代理列表。
• patches/arc/0001-API-Http.onBeforeRequest.patch
  • 更新了Http.java补丁，为HttpResponse增加了缓存结果的能力，并引入了directResponse字段和success回调到HttpRequest中，以支持请求重试和缓存直返逻辑。
• src/mindustryX/Hooks.java
  • 移除了旧的Http.onBeforeRequest镜像替换逻辑。
  • 在beforeInit()方法中初始化了新的GithubAcceleration模块。
• src/mindustryX/VarsX.kt
  • 移除了旧的githubMirror设置项。
• src/mindustryX/features/GithubAcceleration.kt
  • 新增了GithubAcceleration文件，实现了GitHub请求的代理、重试、缓存和设置UI逻辑。
• src/mindustryX/features/ui/toolTable/NewToolTable.kt
  • 在工具面板中添加了一个“GH”按钮，用于快速访问和配置GitHub加速功能。

Activity

• 此拉取请求目前没有人工活动，例如评论或审查。

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[gemini-code-assist]

Code Review

重构了 GitHub 加速功能，将其独立为 GithubAcceleration 模块，支持代理列表配置、多轮重试和静态资源缓存。这是一个非常实用的改进，增强了网络请求的鲁棒性。主要建议关注 Http 补丁对全局内存占用的影响以及域名匹配的安全性。