docs: update Markdown stdlib package URLs

[stdlib-bot]

This PR

• updates Markdown files by resolving stdlib package identifiers to GitHub repository URLs.

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/ext/base/ndarray/cxpy	$\\color{green}111/111$ $\\color{green}+100.00\\%$	$\\color{green}3/3$ $\\color{green}+100.00\\%$	$\\color{green}1/1$ $\\color{green}+100.00\\%$	$\\color{green}111/111$ $\\color{green}+100.00\\%$
blas/ext/base/ndarray/dxpy	$\\color{green}111/111$ $\\color{green}+100.00\\%$	$\\color{green}3/3$ $\\color{green}+100.00\\%$	$\\color{green}1/1$ $\\color{green}+100.00\\%$	$\\color{green}111/111$ $\\color{green}+100.00\\%$
blas/ext/base/ndarray/gxpy	$\\color{green}111/111$ $\\color{green}+100.00\\%$	$\\color{green}3/3$ $\\color{green}+100.00\\%$	$\\color{green}1/1$ $\\color{green}+100.00\\%$	$\\color{green}111/111$ $\\color{green}+100.00\\%$
blas/ext/base/ndarray/sxpy	$\\color{green}111/111$ $\\color{green}+100.00\\%$	$\\color{green}3/3$ $\\color{green}+100.00\\%$	$\\color{green}1/1$ $\\color{green}+100.00\\%$	$\\color{green}111/111$ $\\color{green}+100.00\\%$

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