docs: Updated Play Games services landing page to reflect new turn-based multiplayer feature.

    class="external-link" href="https://developers.google.com/games/services/android/cloudsave">Save

    game data to the cloud</a></p>

    <h4>Create real-time multiplayer games</h4>

    <p>Make your game more dynamic by letting multiple players compete or cooperate simultaneously.

    You can use Google Play game services to invite game participants or auto-match players

    anonymously, and exchange data between game clients. <br /><a class="external-link"

    href="https://developers.google.com/games/services/android/multiplayer">Develop real-time

    multiplayer games</a></p>

    <h4>Create real-time and turn-based multiplayer games</h4>

    <p>Make your game more dynamic with simultaneous or asynchronous gameplay.

    Use the multiplayer APIs to send match invitations, auto-match players

    anonymously, and exchange data between game clients. <br />Develop <a class="external-link"

    href="https://developers.google.com/games/services/android/multiplayer">real-time

    multiplayer</a> and <a class="external-link"

    href="https://developers.google.com/games/services/android/turnbasedMultiplayer">turn-based multiplayer</a> games</p>

  </div>