update main app name

springChatRoom/src/main/java/com/yen/springChatRoom/SpringChatRoomApplication.java → springChatRoom/src/main/java/com/yen/springChatRoom/ChatRoomApplication.java

@@ -4,11 +4,11 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-public class SpringChatRoomApplication {
+public class ChatRoomApplication {
 
 	public static void main(String[] args) {
 
-		SpringApplication.run(SpringChatRoomApplication.class, args);
+		SpringApplication.run(ChatRoomApplication.class, args);
 	}
 
 }