docs: add S7 PLC simulator implementation plan

wanshenmean

2026-03-13 adf41ccad7f0abd082d899c390995a0a2e584044

 Code/WCS/WIDESEAWCS_Server/WIDESEAWCS_Common/HttpEnum/ConfigKey.cs

@@ -54,6 +54,11 @@
        /// </summary>
        UpdateTaskByStatus,

        /// <summary>
        /// 判断是否需要移库（根据任务号判断是否需要移库）
        /// </summary>
        TransferCheck,

        #endregion WMS接口
    }
}