message: chore: update sample index.html with utf meta (credits
diff: @@ -61,6 +61,7 @@ We host the latest and all the previous ReDoc releases on GitHub Pages-based **C
  <head>
  <title>ReDoc</title>
  <!-- needed for adaptive design -->
  + <meta charset="utf-8"/>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <!--
  