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/Animations/DocumentTimeline.idl

@@ -0,0 +1,13 @@
+#import <Animations/AnimationTimeline.idl>
+#import <HighResolutionTime/DOMHighResTimeStamp.idl>
+
+// https://www.w3.org/TR/web-animations-1/#dictdef-documenttimelineoptions
+dictionary DocumentTimelineOptions {
+    DOMHighResTimeStamp originTime = 0;
+};
+
+// https://www.w3.org/TR/web-animations-1/#documenttimeline
+[Exposed=Window]
+interface DocumentTimeline : AnimationTimeline {
+    constructor(optional DocumentTimelineOptions options = {});
+};