The first commit, the core and all files is adding to repo

app/error.tsx

@@ -0,0 +1,15 @@
+"use client";
+export default function ErrorPage({ reset }: { reset: () => void }) {
+  return (
+    <main className="section page-content">
+      <h1>Lost connection.</h1>
+      <p>
+        We couldn’t load this part of the world. Check your connection and try
+        again.
+      </p>
+      <button className="button primary" onClick={reset}>
+        Try again
+      </button>
+    </main>
+  );
+}