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/syntax/if-statement-empty-completion.js

@@ -0,0 +1,4 @@
+test("if statement consequent/alternate expression returns empty completion", () => {
+    expect(eval("1; if (true) {}")).toBeUndefined();
+    expect(eval("1; if (false) {} else {}")).toBeUndefined();
+});