rename property name

Author: beaglebyte

src/main/java/com/spring_rag/config/TopicConfig.java

@@ -7,7 +7,7 @@
 import java.util.Map;
 
 @Component
-@ConfigurationProperties(prefix = "rag")
+@ConfigurationProperties(prefix = "spring-rag")
 @Data
 public class TopicConfig {
     private Map<String, TopicInfo> topics;