Register an account at github.com
Download Github Desktop for your laptop
Start a new repository for your project.
Add your teammates as collaborators.
Teammates should now, using Github Desktop, “Add a repo” using the “Clone repository” option, and choose the project repository set up above. Now everyone has an identical copy.
Use the repository folder on your laptop to host your ebooks for your ebook and audiobook, and whatever working files – Commit and Push your changes
In the Settings, turn on Github pages which will make your repo readable like a website.