注意
sanity startを実行した場合下記の警告が出る場合はsanity buildでproductionを作成してからsanity startを実行してください。
Could not find a production build in the '/home/ookuboc5399/src/youtube/ookubo/portfolio-yt-2.0/sanity/dist' directory. Try building your studio app with 'sanity build' before starting the preview server.
