message: docs(aio): fix image width on the homepage
diff: <div layout="row" layout-xs="column" class="home-row homepage-container">
  <div class="promo-img-container promo-1">
  <div>
  - <img height="222" src="assets/images/home/responsive-framework.svg" alt="responsive framework">
  + <img height="222" width="340" src="assets/images/home/responsive-framework.svg" alt="responsive framework">
  </div>
  </div>
  <div class="promo-img-container promo-2">
  <div>
  - <img height="222" src="assets/images/home/speed-performance.svg" alt="speed and performance">
  + <img height="222" width="323" src="assets/images/home/speed-performance.svg" alt="speed and performance">
  </div>
  </div>
  </div>
  