Creating an ebook app with kodular

Need a code to modify or edit to create an ebook app like app with chapters you can select to read if you have any idea of how to do that you can tell me please like a storybook kind of app

First you need to pick a format you will use

Then you look for an extension, or build one.

ok i will try my possible best to do it but it is nOt what I want like a Book kind of app not this Sir