Update batches.py

Author: raphaeljafriLB

labelpandas/batches.py

@@ -1,3 +1,22 @@
+""" 
+batches.py holds the function create_batches_dict() -- which creates the following style dictionary:
+{
+    project_id : 
+        [
+            data_row_id,
+            data_row_id,
+            data_row_id,            
+        ],
+    project_id : 
+        [
+            data_row_id,
+            data_row_id,
+            data_row_id,            
+        ],              
+}
+This is the format that labelbase.uploader.batch_rows_to_project() expects
+"""
+
 import pandas as pd
 
 def create_batches_dict(table: pandas.core.frame.DataFrame, table_dict:dict,