update keycloak signup / login

app/auth/sign-up/page.tsx

@@ -1,4 +1,5 @@
 import Link from 'next/link';
+import { redirect } from 'next/navigation';
 
 import { SignUpMethodsContainer } from '@kit/auth/sign-up';
 import { authConfig, pathsConfig } from '@kit/shared/config';
@@ -37,6 +38,10 @@ async function SignUpPage({ searchParams }: Props) {
     pathsConfig.auth.signIn +
     (inviteToken ? `?invite_token=${inviteToken}` : '');
 
+  if (!authConfig.providers.password) {
+    return redirect('/');
+  }
+
   return (
     <>
       <div className={'flex flex-col items-center gap-1'}>