[FEATURE] use database migrate tool instead of pure sql scripts #230
Description
it is better to migrate database with migrate tool than docker postgres-post.
- https://flywaydb.org/
- https://github.com/golang-migrate/migrate
- https://gorm.io/docs/migration.html
- https://github.com/go-gormigrate/gormigrate
And db should be migrated automatically on blobber startup.