dev add complaint all info with pagination

src/main/java/ru/soune/nocopy/dto/statistic/ComplaintStatisticResponse.java

@@ -6,6 +6,8 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.util.Map;
+
 @Data
 @Builder
 @AllArgsConstructor
@@ -26,4 +28,7 @@ public class ComplaintStatisticResponse {
 
     @JsonProperty("total_cancelled")
     private Long totalCancelled;
+
+    @JsonProperty("complaints")
+    private Map<String, Object> complaints;
 }