title: custom font for both ios and Android in react native
body: <p>I follow <a href="https://stackoverflow.com/a/34618578/1310740">this</a> to install custom in RN. 
  It works in Android but not in ios. </p>
  
  <p>When running on ios, is shows error with font not found.</p>
  
  <p>How do I make it work for both ios and Android? </p>