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/loops/for-no-curlies.js

@@ -0,0 +1,5 @@
+test("basic functionality", () => {
+    let number = 0;
+    for (let i = 0; i < 3; ++i) for (let j = 0; j < 3; ++j) number++;
+    expect(number).toBe(9);
+});