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
math/base/special/ceilf	$\color{green}157/157$ $color{green}+100.00%$	$\color{green}4/4$ $color{green}+100.00%$	$\color{green}1/1$ $color{green}+100.00%$	$\color{green}157/157$ $color{green}+100.00%$

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