feat(backend): create cli to interact with db

backend/db/__init__.py

@@ -1,3 +1,3 @@
 # database/__init__.py
-from .connection import DatabaseConnection
-from .base_repository import BaseRepository
+from backend.db.connection import DatabaseConnection
+from backend.db.base_repository import BaseRepository

backend/db/base_repository.py

@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 from typing import TypeVar, Generic, List, Sequence, Any, Mapping, Tuple
-from .connection import DatabaseConnection
+from backend.db.connection import DatabaseConnection
 
 # Generic type for the model (your dataclasses such as Member, Service, …)
 T = TypeVar("T")