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/update-expression-on-member-expression.js

@@ -0,0 +1,8 @@
+test("basic update expression", () => {
+    const o = {};
+    o.f = 1;
+
+    expect(o.f++).toBe(1);
+    expect(++o.f).toBe(3);
+    expect(++o.missing).toBeNaN();
+});