added searchMap methods

src/main/java/com/krylov/refound/dto/PostSearchRequest.java

@@ -0,0 +1,12 @@
+package com.krylov.refound.dto;
+
+import java.util.List;
+import lombok.Data;
+
+@Data
+public class PostSearchRequest {
+  private String search;
+  private List<String> cities;
+  private int page = 0;
+  private int size = 20;
+}