feat: 更新 @kevisual/router 版本至 0.0.89；添加 download 命令模块以支持文件下载

src/index.ts

@@ -23,6 +23,7 @@ import './command/docker.ts';
 import './command/jwks.ts';
 
 import './command/cnb/index.ts';
+import './command/download.ts';
 
 // program.parse(process.argv);