Two teenagers are facing federal charges over a fentanyl overdose that killed a college student in New York City and left another student seriously ill. Prosecutors say the pair supplied the drug that led to the death of Annabel Richter at the Fashion Institute of Technology in March. According to a newly unsealed indictment, Moises Freire, 19, brought the substance to the students’ dormitory on March 18. Prosecutors allege that he obtained it from Brian Peralta, 18.…