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
array/float64	$\color{green}117/117$ $\color{green}+0.00%$	$\color{red}6/7$ $\color{green}+0.00%$	$\color{green}1/1$ $\color{green}+0.00%$	$\color{green}117/117$ $\color{green}+0.00%$
random/array/binomial	$\color{green}212/212$ $\color{green}+0.00%$	$\color{green}3/3$ $\color{green}+0.00%$	$\color{green}0/0$ $\color{green}+0.00%$	$\color{green}212/212$ $\color{green}+0.00%$
random/array/rayleigh	$\color{green}209/209$ $\color{green}+0.00%$	$\color{green}3/3$ $\color{green}+0.00%$	$\color{green}0/0$ $\color{green}+0.00%$	$\color{green}209/209$ $\color{green}+0.00%$
random/geometric	$\color{green}215/215$ $\color{green}+0.00%$	$\color{green}3/3$ $\color{green}+0.00%$	$\color{green}0/0$ $\color{green}+0.00%$	$\color{green}215/215$ $\color{green}+0.00%$
random/strided/beta	$\color{green}295/295$ $\color{green}+0.00%$	$\color{green}19/19$ $\color{green}+0.00%$	$\color{green}3/3$ $\color{green}+0.00%$	$\color{green}295/295$ $\color{green}+0.00%$
random/strided/betaprime	$\color{green}295/295$ $\color{green}+0.00%$	$\color{green}19/19$ $\color{green}+0.00%$	$\color{green}3/3$ $\color{green}+0.00%$	$\color{green}295/295$ $\color{green}+0.00%$
stats/incr/nanvariance	$\color{green}138/138$ $\color{green}+0.00%$	$\color{green}10/10$ $\color{green}+0.00%$	$\color{green}2/2$ $\color{green}+0.00%$	$\color{green}138/138$ $\color{green}+0.00%$

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