message: fix typo in design and philosophy section
  Fixed a small typo in 'Design and philosophy' section of 'Get Started' page
diff: @@ -191,7 +191,7 @@ export default {
  <p>Avoiding unnecessary computation</p>
  </li>
  <li>
  - <p>Isolating component re-rendering when requires</p>
  + <p>Isolating component re-rendering when required</p>
  </li>
  </ul>
  <p>
  