Composer Ludwig Göransson has scored films like “Black Panther” and “Oppenheimer,” and his latest is Christopher Nolan’s “The Odyssey.” In My Monday Morning, a new Journal video series inspired by the longstanding column of the same name, Lane Florsheim sits down with Ludwig to talk about his Christmassy oatmeal, writing music with 40 bronze gongs during the LA fires and the bottom shelf where he…