This function generates a report that shows the current user and their assigned role within the database.
It queries the database to retrieve the current user using current_user() and the current role using
current_role(). The output is displayed in a clear and formatted manner, with the user name and role
listed in an unordered list.
cli_show_user(.con)This function doesn't return any value. It generates a formatted user report with the current user's name and role as output.
A valid DBI connection (DuckDB / MotherDuck).