docs: update REPL namespace documentation

[stdlib-bot]

This PR

• updates the REPL namespace documentation

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
namespace/alias2pkg	$\color{green}95/95$ $color{green}+100.00%$	$\color{green}7/7$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}95/95$ $color{green}+100.00%$
namespace/alias2standalone	$\color{green}95/95$ $color{green}+100.00%$	$\color{green}7/7$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}95/95$ $color{green}+100.00%$
namespace/pkg2alias	$\color{green}100/100$ $color{green}+100.00%$	$\color{green}10/10$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}100/100$ $color{green}+100.00%$
namespace/pkg2related	$\color{green}100/100$ $color{green}+100.00%$	$\color{green}10/10$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}100/100$ $color{green}+100.00%$
namespace/pkg2standalone	$\color{green}95/95$ $color{green}+100.00%$	$\color{green}7/7$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}95/95$ $color{green}+100.00%$
namespace/standalone2pkg	$\color{green}95/95$ $color{green}+100.00%$	$\color{green}7/7$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}95/95$ $color{green}+100.00%$
repl/help	$\color{green}95/95$ $color{green}+100.00%$	$\color{green}7/7$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}95/95$ $color{green}+100.00%$

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