pages/eng_10259_create_logical_function_for_getting_additional_reviewers_for_user.org

ENG-10259 - Create logical function for getting additional reviewers for user

Feature Flag

Should handle the same functionality that user.reviewer serves.

We need to implement for sure:

- user.addiotional_reviewer

- set_add_reviewer

- remove_add_reviewer

We need to log add/remove/change additional reviewer to security log