Update docs/intro.md

[silentoplayz]

Pull Request Checklist

• [x] Description: Briefly describe the changes in this pull request.
• [x] Changelog: Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description.
• [x] Documentation: Have you updated relevant documentation?
• [x] Dependencies: Are there any new dependencies? Have you updated the dependency versions in the documentation?

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Description

Updated the docs/intro.md file features list to include more features.

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Changelog Entry

Added

• Updated features list for docs/intro.md file

Fixed

• N/A

Changed

• Features List

Removed

• N/A

[tjbck]

Thanks!