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/base/flatten5d-by	$\color{green}333/333$ $\color{green}+100.00\%$	$\color{green}25/25$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}333/333$ $\color{green}+100.00\%$
array/base/unary4d-by	$\color{green}171/171$ $\color{green}+100.00\%$	$\color{green}12/12$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}171/171$ $\color{green}+100.00\%$
assert/is-same-array-like	$\color{green}112/112$ $\color{green}+100.00\%$	$\color{green}6/6$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}112/112$ $\color{green}+100.00\%$
blas/ext/base/dapxsumkbn2	$\color{green}404/404$ $\color{green}+100.00\%$	$\color{green}23/23$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}404/404$ $\color{green}+100.00\%$
blas/ext/base/dapxsumpw	$\color{green}438/438$ $\color{green}+100.00\%$	$\color{green}24/24$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}438/438$ $\color{green}+100.00\%$
blas/ext/base/gapxsum	$\color{green}165/165$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}165/165$ $\color{green}+100.00\%$
math/base/assert/is-negative-finite	$\color{green}155/155$ $\color{green}+100.00\%$	$\color{green}6/6$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}155/155$ $\color{green}+100.00\%$
math/strided/special/bessely1-by	$\color{green}197/197$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}197/197$ $\color{green}+100.00\%$
math/strided/special/sqrt-by	$\color{green}197/197$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}197/197$ $\color{green}+100.00\%$
ndarray/iter/select-dimension	$\color{green}282/282$ $\color{green}+100.00\%$	$\color{green}34/34$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}282/282$ $\color{green}+100.00\%$
slice/base/shape	$\color{green}149/149$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}149/149$ $\color{green}+100.00\%$
string/base/format-tokenize	$\color{red}129/131$ $\color{green}+98.47\%$	$\color{red}9/10$ $\color{green}+90.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{red}129/131$ $\color{green}+98.47\%$
string/base/replace-after	$\color{green}124/124$ $\color{green}+100.00\%$	$\color{green}11/11$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}124/124$ $\color{green}+100.00\%$
string/base/snakecase	$\color{red}571/576$ $\color{green}+99.13\%$	$\color{red}17/18$ $\color{green}+94.44\%$	$\color{red}5/6$ $\color{green}+83.33\%$	$\color{red}571/576$ $\color{green}+99.13\%$

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