Investigate shareable tokenized links instead of passing around direct links to lists

[mshwery]

Rather than passing around the original direct link to a list all over the place, it might be better to generate shortened "tokenized" links. It's a bit overkill, but you could revoke access to individual links instead of killing the list.

This could play into #75 because you wouldnt want to directly any user who has seen a list to that list.

Instead, it'd be more like user -> links -> lists. You'd probably have to combine that with any lists that user directly created. So you basically end up with created_lists and collab_lists. Since collab lists could be deleted or the link to a collab list could be revoked/deleted, that list would no longer appear for said user.

If they got their handles on a different collab link that was active, they'd have access again.

This whole thing might be overkill, but just some thoughts.