feat: redirect to dashboard when the user is signed in for sign up an…

…d sign in page

src/app/(auth)/(center)/layout.tsx

@@ -1,8 +1,18 @@
+import { auth } from '@clerk/nextjs';
+import { redirect } from 'next/navigation';
+import React from 'react';
+
 export default function CenteredLayout({
   children, // will be a page or nested layout
 }: {
   children: React.ReactNode;
 }) {
+  const { userId } = auth();
+
+  if (userId) {
+    redirect('/dashboard');
+  }
+
   return (
     <div className="flex min-h-screen items-center justify-center">
       {children}