🔧 chore: 프론트엔드 로컬환경 CORS origin 설정 추가

Author: jiwon1217

backend/src/main/java/io/f1/backend/global/config/CorsConfig.java

@@ -8,10 +8,12 @@
 
 @Configuration
 public class CorsConfig {
+
     @Bean
     public CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration config = new CorsConfiguration();
 
+        config.addAllowedOrigin("http://localhost:3000");
         config.addAllowedOrigin("https://brainrace.duckdns.org");
 
         config.addAllowedHeader("*");