docs: update related packages sections

[stdlib-bot]

This PR

• updates the related packages section of READMEs to include links to related packages.

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
ndarray/falses	$\color{green}199/199$ $\color{green}+100.00%$	$\color{green}29/29$ $\color{green}+100.00%$	$\color{green}1/1$ $\color{green}+100.00%$	$\color{green}199/199$ $\color{green}+100.00%$
random/array/gumbel	$\color{green}212/212$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}212/212$ $\color{green}+100.00%$
random/base/cauchy	$\color{green}489/489$ $\color{green}+100.00%$	$\color{green}55/55$ $\color{green}+100.00%$	$\color{green}12/12$ $\color{green}+100.00%$	$\color{green}489/489$ $\color{green}+100.00%$
random/betaprime	$\color{green}217/217$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}217/217$ $\color{green}+100.00%$
random/cauchy	$\color{green}217/217$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}217/217$ $\color{green}+100.00%$
random/strided/discrete-uniform	$\color{green}295/295$ $\color{green}+100.00%$	$\color{green}19/19$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}295/295$ $\color{green}+100.00%$
random/strided/exponential	$\color{green}181/181$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}181/181$ $\color{green}+100.00%$
random/strided/poisson	$\color{green}181/181$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}181/181$ $\color{green}+100.00%$

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