2023-08-11 ECA Sprint: Add role to inserted or updated user

[Add role to inserted or updated user](https://ecaguide.org/library/simple/add_role_to_inserted_or_updated_user/) This model demonstrates how to add a role to an inserted or updated user entity. There are actually 3 potential ways of doing this, only 1 of them being recommended. This session shows the issues you can run into when choosing one of the other options, and it may become transparent, why the third option is the best of the available ones.