Consider releasing an ebook version

Since we're looking at Pandoc for producing the PDF, it isn't that much of a stretch to have the publication process also spit out an ebook formatted for mobile readers.

https://thorstenball.com/blog/2018/09/04/the-tools-i-use-to-write-books/ is a description of a pipeline that goes from Markdown to Pandoc to .epub to .mobi.