Add several endpoints

Client/src/HOC/withAdminCheck.jsx

@@ -8,7 +8,7 @@ const withAdminCheck = (WrappedComponent) => {
 
     useEffect(() => {
       axiosInstance
-        .get("/auth/users/admin")
+        .doesAdminExist()
         .then((response) => {
           if (response.data.data === true) {
             navigate("/login");