Add autoplay toggle, fix notes not being skipped on autoplay

public/src/views/debug.html

@@ -10,6 +10,7 @@
 		<span class="reset">x</span><input type="text" value="" readonly><span class="minus">-</span><span class="plus">+</span>
 	</div>
 	<label><input class="change-restart" type="checkbox">Restart on change</label>
+	<label class="autoplay-label"><input class="autoplay" type="checkbox">Auto play</label>
 	<div class="bottom-btns">
 		<div class="restart-btn">Restart song</div>
 		<div class="exit-btn">Exit debug</div>