add main menu navigation and door lock charges page

client/src/scenes/NotFound/index.js

@@ -1,8 +1,11 @@
 import React from 'react';
+import MainMenu from "../../components/MainMenu";
 
 export default function NotFound () {
     return (
         <div>
+            <MainMenu/>
+            <hr />
             <h1>Page not found</h1>
         </div>
     );