Purpose: Allow users to create up to 5 Custom labels for custom title.
changes are related to two modules
and include following actions:
- Update existing json schema file(s) responsible for creating new custom title to include custom labels in `mod-kb-ebsco-java`. Modify corresponding converters and example schemas.
- Update existing model(s) in 'folio-holdingsiq-client` for following request
to include custom labels
- The length of custom label value should not be more than 100 characters
Unit test, API and performance tests