I dont know how much of this you want to do yourself, but i would copy the text into a docx file and convert that to mobi using e.g. calibre. Or are you looking

I dont know how much of this you want to do yourself, but i would copy the text into a docx file and convert that to mobi using e.g. calibre. Or are you looking to automate it? I'd probably use a python library for making epubs in that case.