docs: update REPL namespace documentation

[stdlib-bot]

This PR

• updates the REPL namespace documentation

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
repl	$\color{red}11592/14373$ $\color{green}+80.65\%$	$\color{red}663/895$ $\color{green}+74.08\%$	$\color{red}153/266$ $\color{green}+57.52\%$	$\color{red}11592/14373$ $\color{green}+80.65\%$
repl/help	$\color{green}95/95$ $\color{green}+100.00\%$	$\color{green}7/7$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}95/95$ $\color{green}+100.00\%$
repl/info	$\color{green}95/95$ $\color{green}+100.00\%$	$\color{green}7/7$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}95/95$ $\color{green}+100.00\%$
repl/signature	$\color{green}99/99$ $\color{green}+100.00\%$	$\color{green}10/10$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}99/99$ $\color{green}+100.00\%$
repl/typed-signature	$\color{green}99/99$ $\color{green}+100.00\%$	$\color{green}10/10$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}99/99$ $\color{green}+100.00\%$

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