RFC: add BLAS Level 1 srot routine

[kgryte]

Checklist

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• [X] Read and understood the Code of Conduct.
• [X] Searched for existing issues and pull requests.
• [X] The issue name begins with RFC:.

Description

Description of the feature request.

This RFC proposes to add a routine to apply a plane rotation as defined in BLAS Level 1 routines. Specifically adding @stdlib/blas/base/srot is proposed.

Related Issues

Does this feature request have any related issues?

No.

Questions

Any questions for reviewers?

No.

Other

Any other information relevant to this feature request? This may include screenshots, references, sample output, and/or implementation notes.

No.