@@map
from Prisma schemaのData Model
https://www.prisma.io/docs/reference/api-reference/prisma-schema-reference#map
https://www.prisma.io/docs/reference/api-reference/prisma-schema-reference#map-1
基本的にPrismaのmodel名が、DBのtable名になるが、それを変えたいときに使う
e.g. @@map("comments")と書けば、commentstableになる
https://www.prisma.io/docs/concepts/components/prisma-client/working-with-prismaclient/use-custom-model-and-field-names#using-map-and-map-to-rename-fields-and-models-in-the-prisma-client-api
Prisma Introspectionしたときに使うことが多い #??