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

[MeastroZI]

Resolves #3139.

Description

What is the purpose of this pull request?

This pull request:

• add fill method to array/fixed-endian-factory

Related Issues

#3139

This pull request:

• resolves [RFC]: add fill method to array/fixed-endian-factory #3139

Questions

Any questions for reviewers of this pull request?

yes

• In main.js, I am not validating whether the value parameter matches the specified data type (dtype) because I haven't found any method that validates data based on the dtype input. Additionally, the set method does not validate the input value. If validation is required, please let me know.

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

[MeastroZI]

/stdlib update-copyright-years

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
array/fixed-endian-factory	$\color{red}980/1235$ $\color{green}+79.35\%$	$\color{red}96/109$ $\color{green}+88.07\%$	$\color{red}17/27$ $\color{green}+62.96\%$	$\color{red}980/1235$ $\color{green}+79.35\%$

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

[MeastroZI]

how much bad this coverage report is ?