message: Fix wrong variable name in example
diff: @@ -1327,7 +1327,7 @@ const currentSnapIndex = embla.selectedScrollSnap()
  ```javascript
  const embla = EmblaCarousel(emblaNode, options)
  -const currentSnapIndex = embla.previousScrollSnap()
  +const previousSnapIndex = embla.previousScrollSnap()
  ```
  <hr>
  