Add info about new book featuring Open3D

[ssheorey]

Add info about new book featuring Open3D

[update-docs]

Thanks for submitting this pull request! The maintainers of this repository would appreciate if you could update the CHANGELOG.md based on your changes.

[Copilot]

Pull Request Overview

This PR adds documentation for a new book featuring Open3D by Dr. Florent Poux. It introduces a new reStructuredText page with book details and sample code, updates the documentation index, and adds a brief introduction with image and link in the README.

• Added docs/poux_book.rst with book overview and sample Open3D code.
• Updated docs/index.rst to include the new book page.
• Extended README.md to feature the new book with image and link.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
docs/poux_book.rst	New documentation page with book details and sample code.
docs/index.rst	Added new page to the documentation toctree.
README.md	Included a promotional section for the new book.

Comments suppressed due to low confidence (2)

docs/poux_book.rst:3

• Consider aligning the book title with other references for consistency. For example, ensure the title here matches the title used in the README.

3D Data Science in Python featuring Open3D

README.md:53

• Consider updating the alt text to match the book title in the docs ("3D Data Science in Python featuring Open3D") for consistency across documentation.

<img src="https://learning.oreilly.com/covers/urn:orm:book:9781098161323/400w/" width="240" alt="3D Data Science with Python" />