BtnGroup disabled props 추가

client/src/components/Buttons/BtnGroup.js

 import { useHistory } from "react-router-dom";
 import styles from "./buttons.module.scss";
 
-const BtnGroup = () => {
+const BtnGroup = ({ disabled }) => {
     const history = useHistory();
 
     return (
         <div className="d-flex justify-content-around my-4">
             <button className="btn btn-white col-5 shadow-none border-dark" type="button" onClick={() => history.goBack()}>취소</button>
-            <button className={`btn btn-crimson col-5 ${styles.disabledBtn}`} type="submit" disabled>등록</button>
+            <button className={`btn btn-crimson col-5 ${styles.disabledBtn}`} type="submit" disabled={disabled}>등록</button>
         </div>
     )
 }