Expose a prop to allow a custom placeholder image #86
Description
Is your feature request related to a problem? Please describe.
Hello! Sorry to bother you again, but I would like to be able to display a custom image when the provided src url in the images array turns out to be a broken link. Right now it looks like the carousel deals with this case, but the placeholder image must be the one in the library. Since I can't provide image components directly (unless I use children which in this case, I would prefer not to), I have to defer to the carousel's custom error handling in case the url is not found, but I would like my fallback to be a bit more descriptive than the black rectangle currently provided as the library's fallback.
Describe the solution you'd like
It would be nice if there was a prop provided so that I can use a custom placeholder image.
Describe alternatives you've considered
I've looked into whether I can customize the placeholder image without requesting this feature, but ironically, because this library provides a fallback image, I can't simply add a css rule that only kicks in for broken images, and the lack of direct control over images unless I use the children prop severely limits any other options.
Additional context
Thank you!