톰캣설정 수정(아이콘 응답 mime타입 수정)

src/main/java/cokr/xit/base/ServletCustomizer.java

@@ -14,6 +14,7 @@ public class ServletCustomizer implements WebServerFactoryCustomizer<TomcatServl
         mappings.add("woff", "font/woff");
         mappings.add("woff2", "font/woff2");
         mappings.add("otf", "font/otf");
+        mappings.add("ico", "image/x-icon");
         factory.setMimeMappings(mappings);
     }
 }