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/LibJS/Tests/functions/constructor-basic.js

@@ -0,0 +1,11 @@
+test("basic functionality", () => {
+    function Foo() {
+        this.x = 123;
+    }
+
+    expect(Foo.prototype.constructor).toBe(Foo);
+
+    const foo = new Foo();
+    expect(foo.constructor).toBe(Foo);
+    expect(foo.x).toBe(123);
+});