feat: add C ndarray interface and refactor implementation for stats/base/dnanmeanpn

[Neerajpathak07]

Resolves none

Description

What is the purpose of this pull request?

This pull request:

• adds C ndarray interface for stats/base/dnanmeanpn
• refactor JavaScript implementation
• refactor examples, tests, docs and benchmarks in manifest.json

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves none

Questions

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No.

Other

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Checklist

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

• Read, understood, and followed the contributing guidelines

---

@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dnanmeanpn	$\color{green}399/399$ $\color{green}+100.00\%$	$\color{green}26/26$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}399/399$ $\color{green}+100.00\%$

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

[Neerajpathak07]

@kgryte
Can I get an idea that what the error in Lint against EditorConfig is about?

[aayush0325]

i can't spot any errors, thank you!

[stdlib-bot]

PR Commit Message

feat: add C `ndarray` interface and refactor implementation for `stats/base/dnanmeanpn`

PR-URL: https://github.com/stdlib-js/stdlib/pull/4250

Co-authored-by: Aayush Khanna <aayushiitbhu23@gmail.com>
Co-authored-by: Neeraj Pathak <neerajrpathak710@gmail.com>
Co-authored-by: Neerajpathak07 <neerajrpathak710@gmail.com>
Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>
Reviewed-by: Aayush Khanna <aayushiitbhu23@gmail.com>
Signed-off-by: Neeraj Pathak <neerajrpathak710@gmail.com>

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