[mirotalksfu] - add chat markdown

public/views/Room.html

@@ -78,6 +78,7 @@
         <script defer src="../js/RoomClient.js"></script>
         <script defer src="../js/SpeechRec.js"></script>
         <script defer src="../js/VideoGrid.js"></script>
+        <script defer src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
         <script defer src="https://cdn.jsdelivr.net/npm/detectrtc@1.4.1/DetectRTC.min.js"></script>
         <script defer src="https://cdnjs.cloudflare.com/ajax/libs/qrious/4.0.2/qrious.min.js"></script>
         <script defer src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/521/fabric.min.js"></script>
@@ -368,6 +369,9 @@
                     <button id="chatEmojiButton" class="hidden">
                         <i class="fas fa-smile"></i>
                     </button>
+                    <button id="chatMarkdownButton" class="hidden">
+                        <i class="fab fa-markdown"></i>
+                    </button>
                     <button id="chatShareFileButton" class="hidden">
                         <i class="fas fa-paperclip"></i>
                     </button>