Add sign up funtion, confirm email layout

src/features/AuthInput.tsx

@@ -41,11 +41,11 @@ const AuthInput: React.FC<IAuthInputProps> = ({
           </button>
         )}
       </div>
-      {error ? (
+      {error && (
         <p className="flex items-center justify-between text-[14px] font-normal leading-5 text-red-500">
           {error} <Image src={alert} alt="Alert Icon" />
         </p>
-      ) : null}
+      )}
     </div>
   );
 };