[mirotalksfu] - add chat speech recognition

public/view/Room.html

@@ -75,6 +75,7 @@
         <script src="../sfu/MediasoupClient.js"></script>
         <script src="../js/Room.js"></script>
         <script src="../js/RoomClient.js"></script>
+        <script src="../js/SpeechRec.js"></script>
         <script src="../js/VideoGrid.js"></script>
         <script src="https://kit.fontawesome.com/d2f1016e6f.js" crossorigin="anonymous"></script>
         <script src="https://cdn.rawgit.com/muaz-khan/DetectRTC/master/DetectRTC.js"></script>
@@ -336,6 +337,12 @@ access to use this app.
                     <button id="chatEmojiButton" class="hidden">
                         <i class="fas fa-smile"></i>
                     </button>
+                    <button id="chatSpeechStartButton" class="hidden">
+                        <i class="fas fa-microphone-slash"></i>
+                    </button>
+                    <button id="chatSpeechStopButton" class="hidden">
+                        <i class="fas fa-microphone"></i>
+                    </button>
                     <button id="chatSendButton" class="hidden">
                         <i class="fas fa-paper-plane"></i>
                     </button>