refactor: move content of src/ to root dir for readability

components/NavLink.tsx

@@ -0,0 +1,18 @@
+import { ReactNode } from 'react';
+import Link from 'next/link';
+
+type Props = {
+  href: string,
+  children: ReactNode,
+}
+
+export function NavLink({href, children}: Props) {
+  return (
+    <Link
+      href={href}
+      className="inline-block rounded-lg py-1 px-2 text-lg font-medium text-slate-700 hover:bg-slate-100 hover:text-slate-900"
+    >
+      {children}
+    </Link>
+  );
+}