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
datasets/us-states-names-capitals	$\color{green}146/146$ $\color{green}+100.00%$	$\color{green}7/7$ $\color{green}+100.00%$	$\color{green}2/2$ $\color{green}+100.00%$	$\color{green}146/146$ $\color{green}+100.00%$
ndarray/trues	$\color{green}199/199$ $\color{green}+100.00%$	$\color{green}29/29$ $\color{green}+100.00%$	$\color{green}1/1$ $\color{green}+100.00%$	$\color{green}199/199$ $\color{green}+100.00%$
ndarray/vector/uint16	$\color{green}209/209$ $\color{green}+100.00%$	$\color{green}2/2$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}209/209$ $\color{green}+100.00%$
random/array/f	$\color{green}212/212$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}212/212$ $\color{green}+100.00%$
random/array/normal	$\color{green}212/212$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}212/212$ $\color{green}+100.00%$
random/base/betaprime	$\color{green}458/458$ $\color{green}+100.00%$	$\color{green}47/47$ $\color{green}+100.00%$	$\color{green}12/12$ $\color{green}+100.00%$	$\color{green}458/458$ $\color{green}+100.00%$
random/strided/bernoulli	$\color{green}181/181$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}181/181$ $\color{green}+100.00%$
random/t	$\color{green}215/215$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}215/215$ $\color{green}+100.00%$

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