[mirotalksfu] - add chat maximize-minimize

public/views/Room.html

@@ -451,6 +451,8 @@ access to use this app.
                 <header id="chatHeader" class="chat-header">
                     <div class="chat-header-title">
                         <button id="chatCloseButton" class="fas fa-times"></button>
+                        <button id="chatMaxButton" class="hidden"><i class="fas fa-expand"></i></button>
+                        <button id="chatMinButton" class="hidden"><i class="fas fa-compress"></i></button>
                     </div>
                     <div class="chat-header-options">
                         <button id="chatGhostButton" class="fas fa-circle-half-stroke"></button>