Add schema for drug safety updates
Add schema for drug safety updates

ministryofjustice/specialist-publisher,ministryofjustice/specialist-publisher,alphagov/specialist-publisher,alphagov/manuals-publisher,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,ministryofjustice/specialist-publisher,alphagov/specialist-publisher-rebuild,alphagov/manuals-publisher,alphagov/specialist-publisher,alphagov/manuals-publisher,alphagov/specialist-publisher-rebuild,ministryofjustice/specialist-publisher,alphagov/specialist-publisher