feat: add map method to array/fixed-endian-factory

[aayush0325]

Resolves #3150

Description

What is the purpose of this pull request?

This pull request:

• adds map method to array/fixed-endian-factory
• adds tests and benchmarks for the added function

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves [RFC]: add map method to array/fixed-endian-factory #3150

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-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
array/fixed-endian-factory	$\color{red}848/1105$ $\color{green}+76.74\%$	$\color{red}62/71$ $\color{green}+87.32\%$	$\color{red}14/25$ $\color{green}+56.00\%$	$\color{red}848/1105$ $\color{green}+76.74\%$

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

[aayush0325]

good evening! kindly give this a review @kgryte .

[kgryte]

LGTM. Thanks, @aayush0325.