add different modes to video-toggle plugin

* Custom: like before but slightly position

* Native: use the native video-toggle

* Disabled: force disable the native video-toggle

plugins/video-toggle/button-switcher.css

@@ -75,3 +75,8 @@
     transform: translateX(0);
     transition: transform 300ms;
 }
+
+/* disable the native toggler */
+#av-id {
+	display: none;
+}