multi rooms with some race for multi write to a ws

public/index.html

@@ -10,18 +10,16 @@
     <div>Audio<label class="switch"><input onclick="toggle('audio', this)" type="checkbox"><span class="slider round"></span></label></div>
 
     <video id="preview" autoplay muted ></video>
-    <div id="remote">
-    </div>
-
+    <div id="remote"></div>
     <br />
-
     <input type="button" id="start" onclick="start(true)" value="Start Video"></input>
 
+    <div id="log"></div>
+  </body>
+
+  <footer>
     <script type="text/javascript">
         pageReady();
     </script>
-
-    <div id="log">
-    </div>
-  </body>
+  </footer>
 </html>