docs: improve README examples of stats/base/dists/triangular namespace

[ShivamAhir]

…e mean mode median

Resolves # .

Description

Purpose of this pull request is to add example in stats/base/dists/triangular

This pull request:

• Add examples of the functions present in stats/base/dists/triangular namespace
• adds example demonstration using mean, mode, median functions in the README.
• Adds the same demonstration example in examples/index.js.

Related Issues

resolve improve README examples of stats/base/dists/triangular namespace #1792

This pull request:

• resolves #
• fixes #

Questions

Any questions for reviewers of this pull request?

No.

Other

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

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-js/reviewers

[stdlib-bot]

PR Commit Message

docs: improve README examples of `stats/base/dists/triangular` namespace

PR-URL: https://github.com/stdlib-js/stdlib/pull/1797
Ref: https://github.com/stdlib-js/stdlib/issues/1792

Co-authored-by: Philipp Burckhardt <[email protected]>
Co-authored-by: shivam Ahir <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>

Please review the above commit message and make any necessary adjustments.

[Planeshifter]

Closing since we already merged another PR updating the triangular namespace examples.