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	$\color{red}166595/329852$ $\color{green}+50.51%$	$\color{red}1754/1774$ $\color{green}+98.87%$	$\color{red}11/1603$ $\color{green}+0.69%$	$\color{red}166595/329852$ $\color{green}+50.51%$
stats/base/ndarray	$\color{red}17481/18483$ $\color{green}+94.58%$	$\color{green}307/307$ $\color{green}+100.00%$	$\color{red}0/153$ $\color{green}+0.00%$	$\color{red}17481/18483$ $\color{green}+94.58%$

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