docs: update namespace table of contents

[stdlib-bot]

This PR

• updates namespace table of contents

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
assert	$\color{red}44484/47918$ $color{green}+92.83%$	$\color{red}860/978$ $color{green}+87.93%$	$\color{red}61/414$ $color{green}+14.73%$	$\color{red}44484/47918$ $color{green}+92.83%$
symbol	$\color{green}598/598$ $color{green}+100.00%$	$\color{red}11/16$ $color{green}+68.75%$	$\color{green}0/0$ $color{green}+100.00%$	$\color{green}598/598$ $color{green}+100.00%$

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