[Docs RFC] Update existing/add new tutorial about visualizing timeshifts

[billy-the-fish]

Source is https://docs.google.com/document/d/1a9vl7EnnZxYWzszkThUG-6AGpg6f7m55GrXf-MUwzbY/edit?tab=t.0#heading=h.n18xufktgxfh, either update Analytics on transport and geospatial data or create a new tutorial that follows on.