에러 메시지 출력 추가

frontend/src/helpers/catchErrors.ts

+export const catchErrors = (error: any, dispalyError: Function) => {
+  let errorMsg;
+  if (error.response) {
+    errorMsg = error.response.data;
+    console.log("Error response:", errorMsg);
+  } else if (error.request) {
+    errorMsg = error.request;
+    console.log("Error request:", errorMsg);
+  } else {
+    errorMsg = error.message;
+    console.log("Error message:", errorMsg);
+  }
+
+  dispalyError(errorMsg);
+};

frontend/src/helpers/index.ts

+export { catchErrors } from "./catchErrors";