Merge pull request #71 from SWM-Flash/hotfix/FLASH-286-dev-cors-error

개발 서버에서 cors method를 전부 허용하도록 수정

src/main/java/com/first/flash/CorsConfig.java

@@ -15,7 +15,7 @@ public WebMvcConfigurer corsConfigurer() {
             public void addCorsMappings(CorsRegistry registry) {
                 registry.addMapping("/**")
                     .allowedOriginPatterns("*")
-                    .allowedMethods("GET")
+                    .allowedMethods("*")
                     .allowedHeaders("*")
                     .allowCredentials(true);
             }