Add new datacite resourceType options (#2121)

-   Ticket: [ENG-5133]
-   Feature flag: n/a

## Purpose
- Add new options to resource type options to match what will be available in Datacite 4.5 schema

## Summary of Changes
- Add `Instrument` and `StudyRegistration` to resourceTypeGeneralOptions array

app/models/custom-metadata.ts

@@ -16,6 +16,7 @@ export const resourceTypeGeneralOptions = [
     'Dissertation',
     'Event',
     'Image',
+    'Instrument',
     'InteractiveResource',
     'Journal',
     'JournalArticle',
@@ -29,6 +30,7 @@ export const resourceTypeGeneralOptions = [
     'Software',
     'Sound',
     'Standard',
+    'StudyRegistration',
     'Text',
     'Workflow',
     'Other',