updated/moved vitest, finished merge

app/__test__/vitest/setup.ts

@@ -0,0 +1,8 @@
+import "@testing-library/jest-dom";
+import { afterEach } from "vitest";
+import { cleanup } from "@testing-library/react";
+
+// Automatically cleanup after each test
+afterEach(() => {
+   cleanup();
+});