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/vector/ctor	$\color{red}1097/1100$ $\color{green}+99.73%$	$\color{red}185/186$ $\color{green}+99.46%$	$\color{green}9/9$ $\color{green}+100.00%$	$\color{red}1097/1100$ $\color{green}+99.73%$

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

[stdlib-bot]

PR Commit Message

docs: update related packages sections

PR-URL: https://github.com/stdlib-js/stdlib/pull/11853

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Please review the above commit message and make any necessary adjustments.