docs: update namespace table of contents

[stdlib-bot]

This PR

• updates namespace table of contents

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/ext/base/ndarray	$\\color{red}29605/33075$ $\\color{green}+89.51\\%$	$\\color{red}481/491$ $\\color{green}+97.96\\%$	$\\color{red}0/245$ $\\color{green}+0.00\\%$	$\\color{red}29605/33075$ $\\color{green}+89.51\\%$
fft/base/fftpack/float64	$\\color{red}2458/4059$ $\\color{green}+60.56\\%$	$\\color{green}17/17$ $\\color{green}+100.00\\%$	$\\color{red}0/23$ $\\color{green}+0.00\\%$	$\\color{red}2458/4059$ $\\color{green}+60.56\\%$

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