Merge pull request #53 from microsoft/user/apc/landmark-fix

Accessibility fix for missing main landmark

permalinks/play.html

@@ -7,7 +7,7 @@ head_content: |-
   <meta name="theme-color" content="#000000">
 ---
 
-<div id="root" class="container-fluid docsite-main">
+<div id="root" class="container-fluid docsite-main" role="main">
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/react/16.4.2/umd/react.production.min.js"></script>
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.4.2/umd/react-dom.production.min.js"></script>
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.5.1/umd/react-dom-server.browser.production.min.js"></script>