Refactor layout components to include title prop and update header rendering; modify index and home pages for improved structure and icon usage

frontend/src/components/Admin.tsx

@@ -1,9 +1,13 @@
+import "../App.css";
+import Layout from "../layout/Layout";
 import React from "react";
 
 const Admin: React.FC = () => {
   return (
     <>
-      <h1>Admin</h1>
+      <Layout  title="MCS Lose - Admin Panel">
+        <h1>Admin</h1>
+      </Layout>
     </>
   );
 };