Create a function that takes a list of names and returns a list where only the first letter of each name is capitalized.
cap_me(["mavis", "senaida", "letty"]) ➞ ["Mavis", "Senaida", "Letty"]
cap_me(["samuel", "MABELLE", "letitia", "meridith"]) ➞ ["Samuel", "Mabelle", "Letitia", "Meridith"]
cap_me(["Slyvia", "Kristal", "Sharilyn", "Calista"]) ➞ ["Slyvia", "Kristal", "Sharilyn", "Calista"]