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/object-expression-__proto__.js

@@ -0,0 +1,6 @@
+test("__proto__ property", () => {
+    expect(Object.getPrototypeOf({ __proto__: null })).toBeNull();
+    expect(Object.getPrototypeOf({ __proto__: Array.prototype })).toEqual(Array.prototype);
+    expect(Object.getPrototypeOf({ "__proto__": Array.prototype })).toEqual(Array.prototype); // prettier-ignore
+    expect(Object.getOwnPropertyNames({ __proto__: Array.prototype, test: 1 })).toEqual(["test"]);
+});