Sushant branch connect backend

frontend/src/components/CreateUsers/CreateUsers.js

 import React, { useState } from "react";
 import axios from "axios";
 import styles from "./CreateUsersStyles.module.css";
-import * as XLSX from 'xlsx';
 
 const CreateUsers = () => {
   const [option, setOption] = useState("");
@@ -301,11 +300,11 @@ const CreateUsers = () => {
           </button>
         </form>
       );
-    } else if (option === "xlsx") {
+    } else if (option === "csv") {
       return (
         <div className={styles.formContainer}>
           <h3>Upload Excel File</h3>
-          <input type="file" accept=".xlsx" />
+          <input type="file" accept=".csv" />
           <button type="submit" className={styles.submitButton}>
             Upload
           </button>