docs: add taoskeeper note for monitor parameter (#20633)

docs/en/14-reference/12-config/index.md

@@ -99,6 +99,9 @@ The parameters described in this document by the effect that they have on the sy
 
 ## Monitoring Parameters
 
+:::note
+Please note the `taoskeeper` needs to be installed and running to create the `log` database and receiving metrics sent by `taosd` as the full monitoring solution.
+
 ### monitor
 
 | Attribute     | Description                                                                                                                                                                                               |

docs/zh/14-reference/12-config/index.md

@@ -99,6 +99,9 @@ taos --dump-config
 
 ## 监控相关
 
+:::note
+请注意，完整的监控功能需要安装并运行 `taoskeeper` 服务。taoskeeper 负责接收监控指标数据并创建 `log` 库。
+
 ### monitor
 
 | 属性     | 说明                                                                                                                                                                                               |