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/trues-like	$\color{red}221/223$ $\color{green}+99.10\%$	$\color{red}35/36$ $\color{green}+97.22\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{red}221/223$ $\color{green}+99.10\%$
random/base/frechet	$\color{green}507/507$ $\color{green}+100.00\%$	$\color{green}61/61$ $\color{green}+100.00\%$	$\color{green}12/12$ $\color{green}+100.00\%$	$\color{green}507/507$ $\color{green}+100.00\%$
random/base/gamma	$\color{green}623/623$ $\color{green}+100.00\%$	$\color{green}93/93$ $\color{green}+100.00\%$	$\color{green}13/13$ $\color{green}+100.00\%$	$\color{green}623/623$ $\color{green}+100.00\%$
random/strided/weibull	$\color{green}295/295$ $\color{green}+100.00\%$	$\color{green}19/19$ $\color{green}+100.00\%$	$\color{green}3/3$ $\color{green}+100.00\%$	$\color{green}295/295$ $\color{green}+100.00\%$

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