Patch for Adding New Listing on Postgresql.org Books Page

I would like to submit a patch to add a new listing on the Books page of PostgreSQL.org with the following details.

Title: PostgreSQL 11 Administration Cookbook
Authors: Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala.
Language: English
Current version at publication: 11
Format: Paperback, eBook
Published: May 2019

URL: https://www.packtpub.com/big-data-and-business-intelligence/postgresql-11-administration-cookbook

The book cover should be placed in the following directory: /media/img/docs/books/

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Liaqat