ⓒCourtesy of Amazon Hulu, the streaming home of FX’s Emmy-winning series “Shōgun“, is preparing to adapt another Westerner’s journey to Japan into a drama for the 21st century. The project, titled “Gaijin” – a term for outsider or foreigner in Japanese – originates from “Shōgun“, a production company co-executed by Shannon Goss. Joseph Gordon-Levitt is…