Merge pull request #3541 from ClickHouse/wh-service-num-limit

Add number of services per WH soft limit

Author: lio-p

docs/cloud/reference/warehouses.md

@@ -140,6 +140,8 @@ settings distributed_ddl_task_timeout=0
 
 6. **In very rare cases, secondary services that are idled or stopped for a long time (days) without waking/starting up can cause performance degradation to other services in the same warehouse.** This issue will be resolved soon and is connected to mutations running in the background. If you think you are experiencing this issue, please contact ClickHouse [Support](https://clickhouse.com/support/program).
 
+7. **Currently there is a soft limit of 5 services per warehouse.** Contact the support team if you need more than 5 services in a single warehouse.
+
 
 ## Pricing {#pricing}