Added logging mechanism for user actions.

src/main/java/net/gepafin/tendermanagement/entities/VersionHistoryEntity.java

@@ -0,0 +1,33 @@
+package net.gepafin.tendermanagement.entities;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Table;
+import lombok.Data;
+
+@Data
+@Entity
+@Table(name = "version_history")
+public class VersionHistoryEntity extends BaseEntity {
+
+    @Column(name = "OLD_DATA", columnDefinition = "LONGTEXT")
+    private String oldData;
+
+    @Column(name = "NEW_DATA", columnDefinition = "LONGTEXT")
+    private String newData;
+
+    @Column(name = "TABLE_NAME")
+    private String tableName;
+
+    @Column(name = "ACTION_TYPE")
+    private String actionType;
+
+    @Column(name = "RECORD_ID")
+    private Long recordId;
+
+    @Column(name = "USER_ACTION_ID")
+    private Long userActionId;
+
+    @Column(name = "USER_ID")
+    private Long userId;
+}