update login functionality and UI; updated Navbar for routing, modified LoginPage and improve styles.

src/main.jsx

@@ -5,11 +5,10 @@ import "./scss/styles.scss";
 import Navbar from "./components/Navbar";
 import Hero from "./components/Hero";
 import Services from "./components/Services";
+import Header from "./components/Header";
 
 createRoot(document.getElementById("root")).render(
   <StrictMode>
-    
     <AppRouter />
-    
   </StrictMode>
 );