Enable shadow copy

[m.traeumner (Michael Träumner)]

@Nishant_Nirmal

i want to enable shadow copy on my samba shares

Please have a look here:

https://www.samba.org/samba/docs/current/man-html/vfs_shadow_copy2.8.html

The link is copied from here:

Shadow copies, snapshots

Alsto take a look at this: https://www.samba.org/samba/docs/man/manpages/vfs_shadow_copy2.8.html (/cc @GG_jr)