Generates the migration of Sekisho's tables in your repo: the one that installs them, or, after an upgrade of Sekisho, the one that brings them to their latest version.
$ mix sekisho.gen.migration
$ mix sekisho.gen.migration --repo MyApp.Repo
It is mix phoenix_mountable.gen.migration Sekisho.Migrations (see
Sekisho.Migrations). Run it with mix ecto.migrate.