添加muted功能

packages/artplayer/src/player/attrInit.js

@@ -9,6 +9,10 @@ export default function attrInit(art, player) {
         $video[key] = option.moreVideoAttr[key];
     });
 
+    if (option.muted) {
+        $video.muted = option.muted;
+    }
+    
     if (option.volume) {
         $video.volume = clamp(option.volume, 0, 1);
     }

packages/artplayer/src/player/volumeMix.js

@@ -22,10 +22,11 @@ export default function volumeMix(art, player) {
         },
     });
 
-    Object.defineProperty(player, 'mute', {
-        get: () => player.volume === 0,
-        set: mute => {
-            player.volume = mute ? 0 : storage.get('volume');
+    Object.defineProperty(player, 'muted', {
+        get: () => $video.muted,
+        set: muted => {
+            $video.muted = muted;
+            art.emit('volumeChange', $video.volume);
         },
     });
 }