[hotfix] : CORS preflight OPTIONS 추가

Author: hellozo0

src/main/java/com/moddy/server/config/WebConfig.java

@@ -21,7 +21,7 @@ public class WebConfig implements WebMvcConfigurer {
     public void addCorsMappings(final CorsRegistry registry) {
         registry.addMapping("/**")
                 .allowedOriginPatterns("*")
-                .allowedMethods(HttpMethod.GET.name(), HttpMethod.POST.name(), HttpMethod.PUT.name(), HttpMethod.DELETE.name())
+                .allowedMethods(HttpMethod.GET.name(), HttpMethod.POST.name(), HttpMethod.PUT.name(), HttpMethod.DELETE.name(), HttpMethod.OPTIONS.name())
                 .allowedHeaders("Authorization", "Content-Type")
                 .allowCredentials(true)
                 .maxAge(3000);