dev add check limits logic

src/main/java/ru/soune/nocopy/repository/ProtectedFileCheckRepository.java

@@ -0,0 +1,15 @@
+package ru.soune.nocopy.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import ru.soune.nocopy.entity.user.ProtectedFileCheck;
+
+import java.util.Optional;
+
+@Repository
+public interface ProtectedFileCheckRepository extends JpaRepository<ProtectedFileCheck, Long> {
+
+    Optional<ProtectedFileCheck> findByUser_Id(Long userId);
+
+    boolean existsByUser_Id(Long userId);
+}