New DatasetSet model

closes #1712 (closed)

TODO:

• create process dataset issue
• create new API endpoints issue

arkindex/training/migrations/0007_datasetset_model.py

@@ -11,6 +11,7 @@ class Migration(migrations.Migration):
 
     dependencies = [
         ("training", "0006_model_archived"),
+        ("process", "0029_processdataset_sets"),
     ]
 
     operations = [