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/int8	$\\color{green}117/117$ $\\color{green}+100.00\\%$	$\\color{red}6/7$ $\\color{green}+85.71\\%$	$\\color{green}1/1$ $\\color{green}+100.00\\%$	$\\color{green}117/117$ $\\color{green}+100.00\\%$
array/uint32	$\\color{green}117/117$ $\\color{green}+100.00\\%$	$\\color{red}6/7$ $\\color{green}+85.71\\%$	$\\color{green}1/1$ $\\color{green}+100.00\\%$	$\\color{green}117/117$ $\\color{green}+100.00\\%$

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