- added new class CollectionRole.ts

- added relation 'collectionRole' to Collection.ts class
- added 'ListSets' and  =GetRecord request for OaiController.ts
- npm updates
- added utility-functions.ts

tests/functional/dataset_controller.spec.ts

@@ -28,7 +28,7 @@ test.group('DatasetController', (group) => {
 
         const dataset = new Dataset();
         dataset.type = 'analysisdata';
-        dataset.creatingCorporation = 'Tethys RDR';
+        dataset.creating_corporation = 'Tethys RDR';
         dataset.language = 'de';
         dataset.server_state = 'inprogress'; // Set the desired server state here
         await dataset.save();