Hard linking for `fs/copy`

[kinddstranger]

Is your feature request related to a problem? Please describe.

My business solution requires copies of really big directories to be made. This turns out to be a pretty big waste of disk space when a filesystem feature like hard links isn't being used.

Describe the solution you'd like

Add a hardlink: boolean; field to the options.

Describe alternatives you've considered

Currently I just copied the module and added this feature myself.

[iuioiua]

Can you please share a fork containing the code you came up with?