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/Streams/TransformStreamDefaultController.idl

@@ -0,0 +1,9 @@
+// https://streams.spec.whatwg.org/#transformstreamdefaultcontroller
+[Exposed=*]
+interface TransformStreamDefaultController {
+    readonly attribute unrestricted double? desiredSize;
+
+    undefined enqueue(optional any chunk);
+    undefined error(optional any reason);
+    undefined terminate();
+};