The MDS Autoscaler provides automation to maintain a required count of
MDSs in the system.
The MDS count in the system can be afected by:
* max_mds config option
* standby_count_wanted config option
* death of an active MDS Rank
Fixes: https://tracker.ceph.com/issues/46884
Signed-off-by: Milind Changire <mchangir@redhat.com>
