Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/HTML/PageTransitionEvent.idl

@@ -0,0 +1,13 @@
+#import <DOM/Event.idl>
+
+// https://html.spec.whatwg.org/multipage/browsing-the-web.html#pagetransitionevent
+[Exposed=Window]
+interface PageTransitionEvent : Event {
+    constructor(DOMString type, optional PageTransitionEventInit eventInitDict = {});
+
+    readonly attribute boolean persisted;
+};
+
+dictionary PageTransitionEventInit : EventInit {
+    boolean persisted = false;
+};