Sending Email Notification To Added User when Admin Adds User [For private Comunity]

## Is your enhancement request related to a problem? Please describe

As of Now I am letting know via other means that I have created your account. This is your default password.

## Describe the solution you'd like

It would be Nice an email trigger from the system to newly added user email address. For first time login credentials

## Describe alternatives you've considered

A clear and concise description of any alternative solutions or features you've considered.

No files, tests, or entry points are named in the issue, so begin by locating the admin flow for adding users and the existing email or notification entry points. Done means that, for a private community, a newly added user receives an email containing their first-login credentials, with appropriate coverage for the added behavior.

Written by the indexing model from the issue text.