Dataset sets management API endpoints

closes #1720 (closed)

requires !2264 (merged)

EDIT: contrary to what it says in the issue, the endpoints require contributor access to the dataset's corpus, excepted for DELETE which requires admin access.

TODO

• Update Dataset endpoints documentation (no more sets editing there)

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 = [