update documentation

Author: florian-schunk

docs/client-configuration.md

@@ -29,6 +29,7 @@
 | isolationPoolOptions         |                                          | An object that configures a pool of isolated connections, If you frequently need isolated connections, consider using [createClientPool](https://github.com/redis/node-redis/blob/master/docs/pool.md#creating-a-pool) instead                                                                                                     |
 | pingInterval                 |                                          | Send `PING` command at interval (in ms). Useful with ["Azure Cache for Redis"](https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/cache-best-practices-connection#idle-timeout)                                                          |
 | disableClientInfo            | `false`                                  | Disables `CLIENT SETINFO LIB-NAME node-redis` and `CLIENT SETINFO LIB-VER X.X.X` commands                                                                                                                                                           | 
+| commandTimeout               |                                          | Throw an error and abort a command if it takes longer than the specified time (in milliseconds).                                                                                                                                                    |
 
 ## Reconnect Strategy