Add available rooms range with average rate

src/main/kotlin/com/android/trisolarisserver/controller/dto/RoomDtos.kt

@@ -32,6 +32,16 @@ data class RoomAvailabilityRangeResponse(
     val freeCount: Int
 )
 
+data class RoomAvailabilityWithRateResponse(
+    val roomId: UUID,
+    val roomNumber: Int,
+    val roomTypeCode: String,
+    val roomTypeName: String,
+    val averageRate: Double?,
+    val currency: String,
+    val ratePlanCode: String? = null
+)
+
 data class RoomImageResponse(
     val id: UUID,
     val propertyId: UUID,