Refactor code structure for improved readability and maintainability

docs/index.html

@@ -149,10 +149,6 @@
                             <a
                                 href="/?libs=./uncompiled/artplayer-plugin-audio-track/index.js&example=audio.track">artplayer-plugin-audio-track</a>
                         </li>
-                        <li>
-                            <a
-                                href="/?libs=./uncompiled/artplayer-plugin-websr/index.js&example=websr">artplayer-plugin-websr</a>
-                        </li>
                     </ul>
                     <ul>
                         <li class="title">Proxys</li>