A file tree viewer with user input. You can click on the folders as they dropown and display files / sub-folders or hide them. Use link below to see working website.
https://c-l.dev/projects/file-tree
or
https://cal-dev-lab.github.io/file-tree
This also allows a visitor to input their name into a prompt thus changing the title of the h1 tag. I have also incorporated 2 secrets somewhere for you to find (without looking at the source code).