style(backend): 🎨 add isort to lint and CI/CD

tests/integration_tests/test_migration_routes.py

@@ -4,6 +4,7 @@ from pathlib import Path
 
 import pytest
 from fastapi.testclient import TestClient
+
 from mealie.core.config import app_dirs
 from tests.app_routes import AppRoutes
 from tests.test_config import TEST_CHOWDOWN_DIR, TEST_NEXTCLOUD_DIR