Add reasoning to hidden mmhealth events

When applying gpfs updates it sometime happens that new TIPS events appear. Some of these tips recomment to carefully check the situation and maybe hide the event. It would be really helpful if you could add a user specifiend comment th the hide command so that you (and your colleagues) know why a certain event was hidden instead of fixed.

E.g. we got this tip:
Component      Status        Status Change     Reasons & Notices
----------------------------------------------------------------------------------------------------------
GPFS           TIPS          29 days ago       gpfs_ignoreprefetchluncount_off, numamemoryinterleave_wrong

mmhealth event show brings up this:
[root@dssg1-xcat ibm-spectrum-scale-bridge-for-grafana]# mmhealth event show gpfs_ignoreprefetchluncount_off
Event Name:              gpfs_ignoreprefetchluncount_off
Description:             The ignorePrefetchLUNCount option is essential to achieve optimal performance. IBM Storage Scale can achieve higher prefetch IO performance when this option is enabled. This tip event is raised because the ignoreprefetchluncount option is disabled (Recommendation for Scale >= 5.2.0).
Cause:                   ignorePrefetchLUNCount option is disabled according to the 'mmdiag --config' command.
User Action:             For more information on the ignorePrefetchLUNCount option see the 'configuration and tuning' section in the Administration Guide. Although, the ignorePrefetchLUNCount should be enabled, there are situations in which the administrator decides against it. In this case or in case that the current setting fits, hide the event by using the GUI or the 'mmhealth event hide' command. The ignoreprefetchluncount can be changed by using the 'mmchconfig' command. The event automatically disappears as soon as the new value is active. Use the 'mmchconfig -i flag' command or restart if required. For more information, see the 'mmchconfig command' in the Command Reference Guide. Consider that the actively used configuration is monitored. You can list the actively used configuration by using the 'mmdiag --config' command, which includes changes that are not activated as yet.
Severity:                TIP
State:                   TIPS

So _if_ I decide to hide the event I would like to add a comment like "hidden because we are advised to keep that setting for compliance" or whatever. The comment should be displayed with "mmhealth event list hidden"