update code security otp

src/main/java/com/billpaymentservice/bbps/repository/UserRepository.java

@@ -0,0 +1,13 @@
+package com.billpaymentservice.bbps.repository;
+
+import java.util.Optional;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import com.billpaymentservice.bbps.entites.UserEntity;
+
+@Repository
+public interface UserRepository extends JpaRepository<UserEntity, Long> {
+    Optional<UserEntity> findByMobile(String mobile);
+}