new User Interface - Mocking phase

[lfoppiano]

We should refactor the UI completely and move it to the github sites. This taks is to create mocks that I would possibly like and a plan of implementation:

• how does it looks like?
• what libraries we need?
• challenges?

[Sanakhamassi]

Here a brief report on the migration of our existing user interface.
https://docs.google.com/document/d/1MWYqHQALyFzRsNeA17NOkix6JlrH9hJjLqX_lH6AGOY/edit?tab=t.0

Mock interface : https://stitch.withgoogle.com/preview/12193225999858191718?node-id=6c290e068fc44db0b4aefaebeb327944&raw=1