added partner model

added import script for reading partners from csv files

gso/cli/imports.py

@@ -3,7 +3,7 @@
 import csv
 import ipaddress
 import json
-from datetime import datetime, UTC
+from datetime import UTC, datetime
 from pathlib import Path
 from typing import TypeVar
 
@@ -216,7 +216,7 @@ def import_partners(file_path: str = typer.Argument(..., help="Path to the CSV f
     """Import partners from a CSV file into the database."""
     typer.echo(f"Importing partners from {file_path} ...")
 
-    partners = import_partners_from_csv(file_path)
+    partners = import_partners_from_csv(Path(file_path))
 
     try:
         for partner in partners: