Open Windows File Explorer, and go to \\sites.srv.maragi.dev@ssl\web and then authenticate.
Once you're in, You can create new folders and files inside the web folder,
on the website hosted at https://sites.maragi.dev/web you can see the folder / files you created.
Please be respectful of others and don't mess with sites that are not your own,
there isn't authentication for each user, everyone is using the same account.
If you find any vulnerabilities, please report them promptly to admin@maragi.dev, I.E. Joseph Frost.