[mirotalksfu] - add video mirror

public/css/Room.css

@@ -442,10 +442,6 @@ th {
     width: 180px;
 }
 
-#VideoMirrorDiv {
-    margin-top: 10px;
-}
-
 /*--------------------------------------------------------------
 # RTMP settings
 --------------------------------------------------------------*/

public/css/VideoGrid.css

@@ -192,6 +192,7 @@ video {
     object-fit: var(--videoObjFit);
     border-radius: 10px;
     cursor: pointer;
+    transition: transform 0.3s ease-in-out;
 }
 
 #canvasAIElement {