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
random/array/kumaraswamy	$\color{green}212/212$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}212/212$ $\color{green}+100.00%$
random/base/beta	$\color{red}874/885$ $\color{green}+98.76%$	$\color{red}119/120$ $\color{green}+99.17%$	$\color{green}16/16$ $\color{green}+100.00%$	$\color{red}874/885$ $\color{green}+98.76%$
random/base/pareto-type1	$\color{green}499/499$ $\color{green}+100.00%$	$\color{green}55/55$ $\color{green}+100.00%$	$\color{green}12/12$ $\color{green}+100.00%$	$\color{green}499/499$ $\color{green}+100.00%$
random/bernoulli	$\color{green}215/215$ $\color{green}+100.00%$	$\color{green}3/3$ $\color{green}+100.00%$	$\color{green}0/0$ $\color{green}+100.00%$	$\color{green}215/215$ $\color{green}+100.00%$

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