Shell 彩色 ANSI Banner + Prompt美化 + Help超级详细 + README去品牌化

- ServerGuardService 启动Banner: ALUER金色ASCII艺术字+ANSI 256色
- ShellPromptProvider: ╭─Aluer·ServerGuard/╰─> 彩色双行提示符
- AdminCommands: 全部重写为真实实现+统一框线格式+柱状图
- help: 9大分类+50+API端点完整参考
- README: 导航修复/Apache 2.0/贡献者名单/去Meteor品牌化

src/main/resources/plugin.yml

@@ -4,7 +4,7 @@ main: com.aluer.plugin.AluerPlugin
 api-version: '1.21'
 description: AI-powered Minecraft PaperMC Server Protection System — 29 anti-cheat modules, DDoS defense, WAF, kernel-based threat fusion
 author: Aluer
-website: https://github.com/aluer-ai/serverguard
+website: https://github.com/ZpjDev/Aluer/
 load: STARTUP
 prefix: Aluer