Frontend: Improved Navbar by dynamic links

>>
>>     now the navbar uses a list of links to render different buttons as required by the links
>>
>>     Fixes: #122

frontend/src/Navbar.tsx

@@ -127,6 +127,7 @@ const rules = (
         </div>
     </>
 );
+
 const Navbar: React.FC = () => {
     const [sidebarOpen, setSidebarOpen] = useState(false);
     const auth = useAuth();
@@ -135,7 +136,6 @@ const Navbar: React.FC = () => {
     const location = useLocation();
     const showLoginBtn =
         location.pathname !== '/login' && location.pathname !== '/signup';
-
     const toggleMenu = () => {
         setSidebarOpen(!sidebarOpen);
     };