fix: retire standard-series, introduce database type, fix edited-book (!345) · Merge requests · crossref / REST API

Fixes a few tiny issues:

retire standard-series type https://crossref.atlassian.net/browse/CR-525
Item Tree subtype edited-book should convert into CiteProc type edited-book (not book) https://crossref.atlassian.net/browse/CR-526
Item Tree subtype database should convert into CiteProc type database (not null) https://crossref.atlassian.net/browse/CR-527

Edited Jun 01, 2022 by Dominika Tkaczyk

fix: retire standard-series, introduce database type, fix edited-book