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/discrete-uniform	$\color{green}212/212$ $\color{green}+100.00\%$	$\color{green}3/3$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}212/212$ $\color{green}+100.00\%$
random/base/laplace	$\color{green}494/494$ $\color{green}+100.00\%$	$\color{green}55/55$ $\color{green}+100.00\%$	$\color{green}12/12$ $\color{green}+100.00\%$	$\color{green}494/494$ $\color{green}+100.00\%$
stats/strided/distances/dcorrelation	$\color{green}366/366$ $\color{green}+100.00\%$	$\color{green}15/15$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}366/366$ $\color{green}+100.00\%$

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