Refactoring: move effects to a manager, chunk animate loop contents

tv-player/index.html

@@ -51,6 +51,7 @@
     <script src="./src/video-player.js"></script>
     <script src="./src/effects_dust.js"></script>
     <script src="./src/effects_flies.js"></script>
+    <script src="./src/EffectsManager.js"></script>
     <script src="./src/vcr-display.js"></script>
     <script src="./src/animate.js"></script>
     <script src="./src/init.js"></script>