docs: improve doctests for ndarray instances in stats/maxsorted

[shiavm006]

Resolves a part of #9329 .

Description

• Improves doctest annotations in the stats/maxsorted package by replacing verbose decomposition logic (using .get() method and ndarray2array() function) with the new concise ndarray instance notation <ndarray>[ ... ]
• Updates all documentation examples in README.md, docs/types/index.d.ts, docs/repl.txt, and JSDoc examples in lib/*.js files
• Removes unused ndarray2array imports from documentation examples
• Follows the pattern established in reference commit 46d9a44

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

AI Assistance

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

• Yes
• No

---

@stdlib-js/reviewers

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Coverage Report

Package	Statements	Branches	Functions	Lines
stats/maxsorted	$\color{green}158/158$ $\color{green}+0.00%$	$\color{green}2/2$ $\color{green}+0.00%$	$\color{green}0/0$ $\color{green}+0.00%$	$\color{green}158/158$ $\color{green}+0.00%$

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

[kgryte]

LGTM

[shiavm006]

LGTM

shouldnt i make the changes ?

[kgryte]

@shiavm006 They've already been made. :)

[shiavm006]

@shiavm006 They've already been made. :)

thanks i didnt checked them out sorry

[kgryte]

Thank you for your contribution and congratulations on your first PR!

[shiavm006]

Thank you for your contribution and congratulations on your first PR!

thanks

[shiavm006]

Thank you for your contribution and congratulations on your first PR!

could u suggest me some more issues on which i can work on ?