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

[gururaj1512]

Resolves None

Description

What is the purpose of this pull request?

This pull request:

• adds C ndarray interface for stats/base/dvarm
• refactors JavaScript implementation
• refactors tests, docs, benchmarks and examples.

Related Issues

Does this pull request have any related issues?

This pull request:

• needs feat: add C ndarray interface and refactor implementation for stats/base/dvarmpn #7268 to be merged

Questions

Any questions for reviewers of this pull request?

No.

Other

Any other information relevant to this pull request? This may include screenshots, references, and/or implementation notes.

No.

Checklist

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

• Read, understood, and followed the contributing guidelines.

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@stdlib-js/reviewers

[gururaj1512]

/stdlib update-copyright-years

[kgryte]

/stdlib merge

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dvarm	$\color{green}352/352$ $\color{green}+100.00\%$	$\color{green}13/13$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}352/352$ $\color{green}+100.00\%$

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

[kgryte]

@gururaj1512 Looks like CI is failing due to incorrect paths.