Make create house work

backend/app/middleware/authenticate.py

@@ -0,0 +1,16 @@
+from fastapi import Request, Depends
+from typing import Annotated
+from ..settings import get_settings
+from ..repositories.user_repository import UserRepository
+
+async def authenticate(request: Request, user_repository: Annotated[UserRepository, Depends()]) -> bool:
+    """
+    Authenticate the current request.
+    """
+    mocked_user = await user_repository.get_by_email(get_settings().app.mock_user_email)
+
+    if not mocked_user:
+        raise Exception("Mock user not found.")
+    
+    request.state.user = mocked_user
+    return True