fastapi

faec713e - 🌐 Add Japanese translation for Concurrency and async / await (#2058)

🌐 Add Japanese translation for Concurrency and async / await (#2058) Co-authored-by: Taki Komiyama <39375566+komtaki@users.noreply.github.com> Co-authored-by: Sho Nakamura <sh0nk.developer@gmail.com>