Description of problem:
------------------------

We have "ceph fs snapshot mirror add" and "ceph fs snapshot remove" commands to create and remove the paths configured for mirroring.

It would be good if we could also list the paths that are configured for snapshot mirroring. ex: ceph fs snapshot mirror ls <fs_name>".

At present, the path configured can only be seen using the mirror daemon asok file - 

[root@ceph1-hk-m-qxvm7g-node6 08b68d80-f0a2-11ee-a172-fa163e261bf6]# ceph --admin-daemon ceph-client.cephfs-mirror.ceph1-hk-m-qxvm7g-node6.fwrita.2.94224942373104.asok fs mirror peer status cephfs@1 de3cb61a-1e6d-4fe6-8822-d03d0b9771e1
{
    "/volumes/subvolgroup_1/subvol_1": {
        "state": "idle",
        "last_synced_snap": {
            "id": 12,
            "name": "scheduled-2024-04-02-18_00_00_UTC",
            "sync_duration": 0.030000054000000002,
            "sync_time_stamp": "52535.724746s"
        },
        "snaps_synced": 2,
        "snaps_deleted": 0,
        "snaps_renamed": 0
    }
}