LONDON — Five Bulgarians living in the U.K. who were charged with spying for Russia appeared Tuesday in court for an initial hearing. The five — Orlin Roussev, 45;, Bizer Dzhambazov, 41; Katrin Ivanova, 31; Ivan Stoyanov, 31; and Vanya Gaberova, 29 — appeared Tuesday by video at Westminster Magistrates’ Court in London. Ivanova’s online profile describes her as a …