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/Worker.idl

@@ -0,0 +1,28 @@
+#import <DOM/EventTarget.idl>
+#import <DOM/EventHandler.idl>
+#import <HTML/AbstractWorker.idl>
+#import <HTML/MessagePort.idl>
+#import <Fetch/Request.idl>
+
+// https://html.spec.whatwg.org/#worker
+[Exposed=(Window,DedicatedWorker,SharedWorker)]
+interface Worker : EventTarget {
+    constructor(DOMString scriptURL, optional WorkerOptions options = {});
+
+    undefined terminate();
+    undefined postMessage(any message, sequence<object> transfer);
+    undefined postMessage(any message, optional StructuredSerializeOptions options = {});
+
+    attribute EventHandler onmessage;
+    attribute EventHandler onmessageerror;
+};
+
+dictionary WorkerOptions {
+    WorkerType type = "classic";
+    RequestCredentials credentials = "same-origin";
+    DOMString name = "";
+};
+
+enum WorkerType { "classic", "module" };
+
+Worker includes AbstractWorker;