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/var-multiple-declarator.js

@@ -0,0 +1,8 @@
+test("basic functionality", () => {
+    var a = 1,
+        b = 2,
+        c = a + b;
+    expect(a).toBe(1);
+    expect(b).toBe(2);
+    expect(c).toBe(3);
+});