Update orm_lib/inc/drogon/orm/DbClient.h

Co-authored-by: Copilot <[email protected]>

Author: an-tao

orm_lib/inc/drogon/orm/DbClient.h

@@ -215,6 +215,15 @@ class DROGON_EXPORT DbClient : public trantor::NonCopyable
         return internal::SqlAwaiter(std::move(binder));
     }
 
+    /**
+     * @brief Execute a SQL query asynchronously using coroutine support.
+     *        This overload accepts a vector of arguments to bind to the query.
+     * @tparam T The type of the elements in the vector.
+     * @param sql The SQL query string to execute.
+     * @param args A vector of arguments to bind to the query.
+     * @return A SqlAwaiter object that can be co_awaited to retrieve the query result.
+     * @note This method is only available when coroutine support is enabled.
+     */
     template <typename T>
     internal::SqlAwaiter execSqlCoro(const std::string &sql,
                                      const std::vector<T> &args) noexcept