Display a message after successful submission of registration form

app/ui/components/registration-form.tsx

@@ -11,6 +11,7 @@ import { register } from '@/app/api/authentication';
 import { getCaptchaChallenge } from '@/app/api/captcha';
 
 export default function RegistrationForm() {
+  const [submitted, setSubmitted] = useState<boolean>(false);
   const [errors, setErrors] = useState<string[]>([]);
 
   const [email, setEmail] = useState<string>("");
@@ -36,6 +37,12 @@ export default function RegistrationForm() {
   useEffect(refreshCaptcha, [])
 
   return (
+    submitted ? (
+      <div className="card flex justify-evenly py-5 flex-col">
+        <div className="text-green-500">Registration successful. Check your email for a confirmation link.</div>
+      </div>
+    ) : (
+
       <div className="card flex justify-evenly py-5 flex-col">
         <FloatLabel className="my-4">
           <InputText id="email" type="email" className='rounded-sm' onChange={(e) => setEmail(e.target.value)} />
@@ -77,7 +84,7 @@ export default function RegistrationForm() {
                 id: captchaId,
                 answer: captchaAnswer
               },
-            onRegister: () => { setErrors([]) },
+              onRegister: () => { setErrors([]); setSubmitted(true) },
               onError: (errors) => { refreshCaptcha(); setErrors(errors) }
             }
           )}
@@ -85,5 +92,7 @@ export default function RegistrationForm() {
           Register
         </button>
       </div>
+    )
+
   );
 }