docs: update namespace table of contents

[stdlib-bot]

This PR

• updates namespace table of contents

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
symbol	$\color{green}828/828$ $color{green}+100.00%$	$\color{red}15/22$ $color{green}+68.18%$	$\color{green}0/0$ $color{green}+100.00%$	$\color{green}828/828$ $color{green}+100.00%$

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