message: Add more space below header in README
diff: <p align="center">
  <a href="https://github.com/davidcetinkaya/embla-carousel">
  <img src="https://rawgit.com/davidcetinkaya/embla-carousel/master/docs/assets/javascript-logo.svg" height="50" alt="Embla Carousel JavaScript" />
  - </a> &nbsp; &nbsp;
  + </a> &nbsp;
  <a href="https://github.com/davidcetinkaya/embla-carousel-react">
  <img src="https://rawgit.com/davidcetinkaya/embla-carousel/master/docs/assets/react-logo.svg" height="50" alt="Embla Carousel React" />
  </a>
  </p>
  </div>
  +<br>
  ## Features
  