docs: update namespace table of contents

[stdlib-bot]

This PR

• updates namespace table of contents

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
ndarray/base/assert	$\\color{red}6082/6413$ $\\color{green}+94.84\\%$	$\\color{green}87/87$ $\\color{green}+100.00\\%$	$\\color{red}0/45$ $\\color{green}+0.00\\%$	$\\color{red}6082/6413$ $\\color{green}+94.84\\%$
ndarray/matrix	$\\color{red}795/1347$ $\\color{green}+59.02\\%$	$\\color{green}6/6$ $\\color{green}+100.00\\%$	$\\color{red}0/6$ $\\color{green}+0.00\\%$	$\\color{red}795/1347$ $\\color{green}+59.02\\%$

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