Add new indexing system so we are going to actually start at 1. If the key legacy-index does not exist it will get set to true for backwards compatibility. The default now will be false and that modern indexing will be the default. If the gui has the slot 0 then it should also fallback to legacy indexing.
Add new indexing system so we are going to actually start at 1. If the key
legacy-indexdoes not exist it will get set totruefor backwards compatibility. The default now will befalseand that modern indexing will be the default. If the gui has the slot0then it should also fallback to legacy indexing.