feat(casbin): 添加策略与角色继承管理接口

internal/api/enter.go

@@ -2,12 +2,14 @@ package api
 
 import (
 	"EnGin/internal/api/auth_api"
+	"EnGin/internal/api/casbin_api"
 	"EnGin/internal/api/user_api"
 )
 
 type Api struct {
-	AuthApi auth_api.AuthApi
-	UserApi user_api.UserApi
+	AuthApi   auth_api.AuthApi
+	UserApi   user_api.UserApi
+	CasbinApi casbin_api.CasbinApi
 }
 
 // App 统一导出全局 API 实例