add methods and lib for protection files

src/main/java/ru/soune/nocopy/entity/file/FileEntity.java

@@ -60,11 +60,26 @@ public class FileEntity {
     @Column(name = "updated_at")
     private LocalDateTime updatedAt;
 
+    @Column(name = "protected_file_path")
+    private String protectedFilePath;
+
+    @Column(name = "protection_status")
+    @Enumerated(EnumType.STRING)
+    private ProtectionStatus protectionStatus;
+
+    @Column(name = "protected_at")
+    private LocalDateTime protectedAt;
+
     @PrePersist
     public void prePersist() {
         if (this.status == null) {
             this.status = FileStatus.ACTIVE;
         }
+
+        if (this.protectionStatus == null) {
+            this.protectionStatus = ProtectionStatus.NOT_PROTECTED;
+        }
+
         if (this.createdAt == null) {
             this.createdAt = LocalDateTime.now();
         }