Persist Origin selection as a Cookie

[joaobertacchi]

Add a cookie to store the origin selected, but that will have to come together with asking the user permission to store the cookie, so I guess we treat it as another task.

This ticket comes from #123 . It requires asking user permissions and new designs, for that reason that goes to the next sprint.

[WilsonNet]

We need to validate the legality of this before continuing