feat: add accessor protocol support and refactor stats/base/nanvariancech

[rahulptl165]

---

type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes. report:

• task: lint_filenames status: passed
• task: lint_editorconfig status: passed
• task: lint_markdown status: passed
• task: lint_package_json status: na
• task: lint_repl_help status: passed
• task: lint_javascript_src status: passed
• task: lint_javascript_cli status: na
• task: lint_javascript_examples status: passed
• task: lint_javascript_tests status: passed
• task: lint_javascript_benchmarks status: passed
• task: lint_python status: na
• task: lint_r status: na
• task: lint_c_src status: na
• task: lint_c_examples status: na
• task: lint_c_benchmarks status: na
• task: lint_c_tests_fixtures status: na
• task: lint_shell status: na
• task: lint_typescript_declarations status: passed
• task: lint_typescript_tests status: passed
• task: lint_license_headers status: passed ---

Resolves #5674 .

Description

What is the purpose of this pull request?

This pull request:

• Adds accessors.js files.
• Modified lib/nanvariancech.
• Modified lib/ndarray.js
• Modified readme, examples, benchmark and docs file.

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves [RFC]: refactor and add protocol support to stats/base/nanvariancech #5674

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.

---

@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/nanvariancech	$\color{green}367/367$ $\color{green}+100.00\%$	$\color{green}44/44$ $\color{green}+100.00\%$	$\color{green}3/3$ $\color{green}+100.00\%$	$\color{green}367/367$ $\color{green}+100.00\%$

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

[aayush0325]

kindly resolve the merge conflicts in readme as well

[aayush0325]

conflicts in README haven't been resolved

[aayush0325]

kindly match the file structure that we're following, your lib directory should only contain an index.js, main.js, ndarray.js and accessors.js. see #6248 and nanrange/lib for example

[rahulptl165]

Hi @aayush0325 , I have addressed requested changes. let me know if you want further modification.

[rahulptl165]

Hi @aayush0325 , addressed requested changes.

[kgryte]

/stdlib merge

[gururaj1512]

LGTM. onto @kgryte

[gururaj1512]

/stdlib merge

[kgryte]

LGTM