update miletruth page and remove unwanted files

jest.setup.ts

@@ -0,0 +1,4 @@
+// Extends Jest's `expect` with DOM matchers (toBeInTheDocument, etc.) for any
+// future component tests. Pure-function specs don't need it, but it's the
+// standard Next.js + Testing Library setup.
+import "@testing-library/jest-dom";