feat: add constants/float32/num-exponent-bits

[shubham220420]

Resolves #9550

Description

What is the purpose of this pull request?

This pull request:

• Added the implementation of float32/nums-exponent-bits.

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• [RFC]: add constants/float32/num-exponent-bits #9550

Questions

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No.

Other

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No.

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• Read, understood, and followed the contributing guidelines.

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{{TODO: add disclosure if applicable}}

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@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
constants/float32/num-exponent-bits	$\color{green}47/47$ $\color{green}+0.00%$	$\color{green}1/1$ $\color{green}+0.00%$	$\color{green}0/0$ $\color{green}+0.00%$	$\color{green}47/47$ $\color{green}+0.00%$

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

[shubham220420]

I've applied to requested suggestions @Neerajpathak07 :)

[kgryte]

LGTM