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/Canvas/CanvasCompositing.idl

@@ -0,0 +1,6 @@
+// https://html.spec.whatwg.org/multipage/canvas.html#canvascompositing
+interface mixin CanvasCompositing {
+    // compositing
+    attribute unrestricted double globalAlpha; // (default 1.0)
+    [FIXME] attribute DOMString globalCompositeOperation; // (default "source-over")
+};