Feature: Implement custom fields for documents (#4502)

Adds custom fields of certain data types, attachable to documents and searchable

Co-Authored-By: Trenton H <797416+stumpylog@users.noreply.github.com>

src-ui/src/app/services/permissions.service.ts

@@ -26,6 +26,7 @@ export enum PermissionType {
   Admin = '%s_logentry',
   ShareLink = '%s_sharelink',
   ConsumptionTemplate = '%s_consumptiontemplate',
+  CustomField = '%s_customfield',
 }
 
 @Injectable({