Add disk_deatch_attach_scenario in docs

Signed-off-by: jtydlack <[email protected]>

docs/node_scenarios.md

@@ -12,6 +12,7 @@ The following node chaos scenarios are supported:
 8. **restart_kubelet_scenario**: Scenario to restart the kubelet of the node instance.
 9. **node_crash_scenario**: Scenario to crash the node instance.
 10. **stop_start_helper_node_scenario**: Scenario to stop and start the helper node and check service status.
+11. **node_disk_detach_attach_scenario**: Scenario to detach node disk for specified duration.
 
 
 **NOTE**: If the node does not recover from the node_crash_scenario injection, reboot the node to get it back to Ready state.
@@ -20,6 +21,8 @@ The following node chaos scenarios are supported:
 , node_reboot_scenario and stop_start_kubelet_scenario are supported on AWS, Azure, OpenStack, BareMetal, GCP
 , VMware and Alibaba.
 
+**NOTE**: node_disk_detach_attach_scenario is supported only on AWS
+
 
 #### AWS