Move registrations progress bar and make it configurable
What does this MR do?
This MR makes the progress bar more configurable, so it can be reused for the scenarios outlined in gitlab-org/growth/product#107 (closed)
Issue: gitlab-org/growth/engineering#5380 (closed)
Screenshots
Prototype: https://www.sketch.com/s/34cafa38-1201-4c60-b16d-44427118d09a/a/zJQLqe/play
Edited by Alex Buijs