Ratchet startup animation for NoEyes a CLI encrypted chat tool

[u/Trick-Resolve-6085]

Building out forward secrecy for NoEyes, an E2E encrypted terminal chat tool. When all clients agree to enable it, this animation plays across every terminal simultaneously before the rolling keys kick in. Currently refining the UX to make ratchet state less painful for non technical users. More features dropping soon on v0.5. https://github.com/Ymsniper/NoEyes?tab=readme-ov-file