A new British mini-series about a barkeeper and a female stalker is rapidly becoming one of the most popular shows on Netflix. “Baby Reindeer” is about an unsuccessful comedian called Donny who works in a bar and who is stalked by a female guest named Martha (Jessica Gunning). “Baby Reindeer” is the nickname she gives Donny (played by Scottish comedian and author Richard Gadd) as she develops an obsession with him in a story that becomes increasingly dark. It is reportedly based on a true story, with Gadd saying he made the miniseries to process the disturbing experiences he suffered and to ex…