docs: update REPL namespace documentation

[stdlib-bot]

This PR

• updates the REPL namespace documentation

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
repl	$\color{red}18535/25076$ $color{green}+73.92%$	$\color{red}884/1153$ $color{green}+76.67%$	$\color{red}216/457$ $color{green}+47.26%$	$\color{red}18535/25076$ $color{green}+73.92%$

The above coverage report was generated for the changes in this PR.