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/Home.tsx

@@ -1,16 +1,16 @@
 import "../App.css";
 import Layout from "../layout/Layout";
 import MainForm from "./MainForm";
-import "react-toastify/dist/ReactToastify.css";
+import React from "react";
 
-function App() {
+const Home: React.FC = () => {
   return (
     <>
-      <Layout>
+      <Layout title="MCS Lose - Registrieren">
         <MainForm />
       </Layout>
     </>
   );
-}
+};
 
-export default App;
+export default Home;