Distributing a multi-part secret

[will-barber]

While perhaps beyond the scope of the CLI,
I would love to see a form of multi-part secret generation and distribution to users on my contact list. Utilizing Shamirs Secret Sharing, but with less effort than manual generation, splitting and copy-pasting parts to each user.

Ideal workflow: Specify the secret, the number of participants required to reconstruct the secret, the recipients and automatically distribute their parts to each individual user.