These were created using [pgloader](https://github.com/dimitri/pgloader)
MYSQL.sql was first imported into a mysql:5.7 Docker image, then pgloader
was used to import it into a postgres:11-alpine image. The schema and data
were then dumped using pg_dump into POSTGRESQL-structure.sql and POSTGRESQL-data-initial.sql
respectively
- changed the default role set to have api access enabled
- existing installations not affected
- if a community wants to restrict API access for certain users they're free to do it
(same as aa03830643 but for postgres this time)