feat: add ndarray/shift

[headlessNode]

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Resolves stdlib-js/metr-issue-tracker#84.

Description

What is the purpose of this pull request?

This pull request:

• add ndarray/shift

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves [RFC]: add ndarray/shift metr-issue-tracker#84
• progresses [RFC]: achieve ndarray API parity with built-in JavaScript arrays  #2656

Questions

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No.

Other

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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

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
ndarray/shift	$\color{green}156/156$ $\color{green}+100.00\%$	$\color{green}11/11$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}156/156$ $\color{green}+100.00\%$

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

[kgryte]

@headlessNode There are likely various changes from #8145 that need to be carried over to this PR.

[kgryte]

Main comment is that this package needs to be refactored to use a different default for dim.

[kgryte]

LGTM after clean-up.