Missing output names (#76)

* fixed the streaming bug

* rewrite the key from test to validation to be consistent with dataset names

* added the missing output_names.py

src/cehrbert/config/output_names.py

@@ -0,0 +1,9 @@
+parquet_data_path = "patient_sequence"
+qualified_concept_list_path = "qualified_concept_list"
+time_attention_model_path = "time_aware_model.h5"
+bert_model_validation_path = "bert_model.h5"
+mortality_data_path = "mortality"
+heart_failure_data_path = "heart_failure"
+hospitalization_data_path = "hospitalization"
+information_content_data_path = "information_content"
+concept_similarity_path = "concept_similarity"