fix: navbar refreshes auth state on navigation

Login button now correctly changes to Logout after login

src/components/Navbar.tsx

@@ -52,7 +52,7 @@ export default function Navbar() {
         link.href = data.data;
       })
       .catch(() => {});
-  }, []);
+  }, [pathname]);
 
   const handleLogout = async () => {
     await fetch('/api/auth/logout', { method: 'POST', credentials: 'same-origin' });