feat: add `array/base/cusome`

[yaswanthkosuru]

Resolves #2322.

Description

add @stdlib/array/base/cusome

This pull request:

• resolves [RFC]: add @stdlib/array/base/cusome.

Checklist

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

• [x] Read, understood, and followed the contributing guidelines.

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@stdlib-js/reviewers

[yaswanthkosuru]

Hey @kgryte , @Planeshifter I've made the requested changes as well as some additional improvements wrt existing project . Please review them and let me know if there's anything I've missed .

[Planeshifter]

Thanks @yaswanthkosuru! Did another review and will merge your PR shortly. We appreciate your contributions!