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/CanvasGradient.idl

@@ -0,0 +1,6 @@
+// https://html.spec.whatwg.org/#canvasgradient
+[Exposed=(Window,Worker)]
+interface CanvasGradient {
+    // opaque object
+    undefined addColorStop(double offset, DOMString color);
+};