feat: add C implementation for stats/base/dists/pareto-type1/mode

[gururaj1512]

Resolves #3862.

Description

What is the purpose of this pull request?

This pull request:

• adds C implementation for stats/dists/pareto-type1/mode along with relevant tests, docs, examples and benchmarks.

Related Issues

Does this pull request have any related issues?

This pull request:

• Resolves: [RFC]: Add C implementation for @stdlib/stats/base/dists/pareto-type1/mode #3862

Questions

Any questions for reviewers of this pull request?

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-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/pareto-type1/mode	$\color{green}195/195$ $\color{green}+100.00\%$	$\color{green}10/10$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}195/195$ $\color{green}+100.00\%$

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