docs(tvix/castore): add notes on verified streaming r/6921

These are still a bit WIP, but should already explain the idea better
than not having any documentation about how we intend to implement this
at all.

Let's put this into the repo, as a working document.

Co-Authored-By: edef <edef@edef.eu>
Change-Id: Ic0c5195cdf0a33c8382af1b5cff9064fe6ef9ffb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9894
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

0 files changed, 0 insertions, 0 deletions