TODO

1. Create a new module for the model in coarnotify.models (for example coarnotify.models.announce_ingest)
2. Create the new model class in the new module (for example, AnnounceIngest) and implement as needed
3. Review the validation requirements of the new model and ensure validation is updated (update the model spreadsheet)
4. Add the new model to coarnotify.models.__init__.py so it can be imported from coarnotify.models
5. Add the new model to the factory list of models in coarnotify.common.COARNotifyFactory.MODELS
6. Create a fixture and fixture factory in coarnotify.test.fixtures (for example, coarnotify.test.fixtures.announce_ingest)
7. Import the new fixture in coarnotify.test.fixtures.__init__.py
8. Add a unit test for the new model in coarnotify.test.unit.test_models, and confirm it works
9. Add a unit test for the model factory in coarnotify.test.unit.test_factory, and confirm it works
10. Add an integration test for the new model in coarnotify.test.integration.test_client, and confirm it works