feat: add blas/base/ndarray/sasum

[MeKaustubh07]

Resolves #{{TODO: add issue number}}.

Description

What is the purpose of this pull request?

This pull request:

• feat: add blas/base/ndarray/sasum

Related Issues

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This pull request has the following related issues:

• #{{TODO: add related issue number}}

Questions

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No.

Other

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No.

Checklist

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• Read, understood, and followed the contributing guidelines.

AI Assistance

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• No

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• Code generation (e.g., when writing an implementation or fixing a bug)
• Test/benchmark generation
• Documentation (including examples)
• Research and understanding

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{{TODO: add disclosure if applicable}}

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
blas/base/ndarray/sasum	$\color{green}101/101$ $\color{green}+0.00%$	$\color{green}3/3$ $\color{green}+0.00%$	$\color{green}1/1$ $\color{green}+0.00%$	$\color{green}101/101$ $\color{green}+0.00%$

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

[MeKaustubh07]

@kgryte, the reason for so many description fixes needed for blas/base/ndarray/dasum was because the blas/base/ndarray/ddot and blas/base/ddot was my primary for reviewing the dasum.
Now that I'm familiar with the description patterns that you have suggested, will follow the path everywhere including this one!

[kgryte]

LGTM after clean-up.