update docs

docs/index.html

@@ -17,12 +17,21 @@
 
 <body>
     <div class="container">
-        <div class="artplayer-app"></div>
-        <div class="error-tip"></div>
-        <div class="control">
+        <div class="part-left">
+            <div class="controls">
+                <div class="menus">
+                    menu
+                </div>
+                <input class="run" type="button" value="Run Code">
+            </div>
             <div class="code"></div>
-            <div class="bottom">
-                <input class="run" type="button" value="执行代码">
+        </div>
+        <div class="part-right">
+            <div class="video-wrap">
+                <div class="artplayer-app"></div>
+            </div>
+            <div class="console">
+                <textarea class="textarea" disabled></textarea>
             </div>
         </div>
     </div>