Most publishers of books and monographs will require authors to supply lists of potential places where the book may be advertised. This is typical. Authors often know how to reach their intend audience better than the publisher's marketing division. So, think about
Sometimes these are called vanity sites. Often the hosting fees may be accounted as a self-employment business expense. Example from a UWG Emeritus Faculty Member.
Here is a sample for a UWG emeritus faculty member. From any Wikipedia page, you can create an account and log in (log in info is above the Wikipedia search box).
Wikipedia: How to create a page: Instructions and considerations when creating Wikipedia entries have been provided by Wikipedia itself.
If you would prefer, contact Beth Sheppard in the library who will be happy to work with you and create a page on your behalf.