feat(login): 重构 login 服务启动方式

- 修改 login 服务端口配置，支持动态分配
- 优化 login 服务启动流程，增加信号处理
- 调整 ServerOption 类型，支持 int 类型端口
- 移除 CommendSvrInfo 相关代码，简化结构
- 更新 main 函数，采用新的服务启动方式

.vscode/launch.json

@@ -6,7 +6,7 @@
     "configurations": [
 
         {
-            "name": "Launch login",
+            "name": "Launch login-http",
             "type": "go",
             "request": "launch",
             "mode": "auto",
@@ -19,7 +19,16 @@
             "request": "launch",
             "mode": "auto",
             "cwd": "${workspaceFolder}",
-            "args": ["-port=27000"],
+            "args": ["-port=1"],
+            "program": "${workspaceFolder}/logic"
+        },
+              {
+            "name": "Launch login-tcp",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "cwd": "${workspaceFolder}",
+            "args": ["-port=0"],
             "program": "${workspaceFolder}/logic"
         }