Carousel: Deactivate Navigatoin Buttons

[MentalGear]

Please define in the doc how to deactivate the navigation (left / right) buttons.

[MentalGear]

Or please give them a unique class in the .svelte file so they are target-able by CSS and can be adjusted.
(although source files are modifiable, but I do not want all changes gone when someone updates and small things like these are quickly overlooked)