Org Add User

Endpoint for an organization admin to add a new user to their organization.

Args: user_data (UserCreate): The new user information including email, name, role, and org_name.

Returns: dict: A success message confirming the user was added to the organization.

Raises: HTTPException 404:

• If the organization database is not found.
• If the org_name in user data doesn’t match the admin’s org.
• If organization details are not initialized. HTTPException 409:
• If the user already exists globally.
• If the user is already a member of the organization. HTTPException 500:
• If any unexpected error occurs during the user addition process.