add title

Author: Eric-Zhang-Developer

src/app/page.tsx

@@ -1,6 +1,9 @@
 export default function Home() {
   return (
-    <main>
+    <main className="flex items-center justify-center">
+      <header className="text-4xl">
+        FollowDiff
+      </header>
 
     </main>