message: Shorten containerSelector example
diff: @@ -241,15 +241,7 @@ const embla = EmblaCarousel(emblaNode, options)
  ```html
  <div class="embla">
  <div class="my-classname">
  - <div class="embla__slide">
  - Slide 1
  - </div>
  - <div class="embla__slide">
  - Slide 2
  - </div>
  - <div class="embla__slide">
  - Slide 3
  - </div>
  + ...slides
  </div>
  </div>
  ```
  