- add model DatasetReference.ts

- add references inside Creta.vue for Submitter /dataset
- npm updates
- extended enum types
- added relations for Dataset.ts

app/Models/Dataset.ts

@@ -22,6 +22,7 @@ import License from './License';
 import Subject from './Subject';
 import File from './File';
 import Coverage from './Coverage';
+import DatasetReference from './DatasetReference'; 
 
 export default class Dataset extends BaseModel {
     public static namingStrategy = new SnakeCaseNamingStrategy();
@@ -138,6 +139,11 @@ export default class Dataset extends BaseModel {
     })
     public coverage: HasOne<typeof Coverage>;
 
+    @hasMany(() => DatasetReference, {
+        foreignKey: 'document_id',
+    })
+    public references: HasMany<typeof DatasetReference>;
+
 
     @computed({
         serializeAs: 'main_title',