chore: add EmbedResult DTO for embedding response handling

Author: mahdibayouli

server/skillforge-course/src/main/java/com/gitittogether/skillForge/server/course/dto/response/utils/EmbedResult.java

@@ -0,0 +1,21 @@
+package com.gitittogether.skillForge.server.course.dto.response.utils;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class EmbedResult {
+   private boolean success;
+   private String url;
+   private Integer chunksEmbedded;
+   private String message;
+   private String error;
+}
+