feat: 添加在线设备统计功能并优化订阅相关逻辑

- 在DeviceManager中添加GetOnlineDeviceCount方法用于获取在线设备数
- 在统计接口中增加在线设备数返回
- 优化订阅查询逻辑，增加服务组关联节点数量计算
- 添加AnyTLS协议支持及相关URI生成功能
- 重构邀请佣金计算逻辑，支持首购/年付/非首购不同比例
- 修复用户基本信息更新中IsAdmin和Enable字段类型不匹配问题
- 更新数据库迁移脚本和配置文件中邀请相关配置项

etc/ppanel.yaml

@@ -0,0 +1,38 @@
+Host: 0.0.0.0
+Port: 8080
+Debug: false
+JwtAuth:
+  AccessSecret: 1234567890
+  AccessExpire: 604800
+Logger:
+  ServiceName: PPanel
+  Mode: console
+  Encoding: plain
+  TimeFormat: '2025-01-01 00:00:00.000'
+  Path: logs
+  Level: debug
+  MaxContentLength: 0
+  Compress: false
+  Stat: true
+  KeepDays: 0
+  StackCooldownMillis: 100
+  MaxBackups: 0
+  MaxSize: 0
+  Rotation: daily
+  FileTimeFormat: 2025-01-01T00:00:00.000Z00:00
+MySQL:
+  Addr: 172.245.180.199:3306
+  Dbname: ppanel
+  Username: ppanel
+  Password: ppanelpassword
+  Config: charset=utf8mb4&parseTime=true&loc=Asia%2FShanghai
+  MaxIdleConns: 10
+  MaxOpenConns: 10
+  SlowThreshold: 1000
+Redis:
+  Host: ppanel-cache:6379
+  Pass:
+  DB: 0
+Administrator:
+  Password: password
+  Email: admin@ppanel.dev