feat: enhance sidebar header styling for improved visibility

- Updated SidebarHeader to include additional classes for text size, font weight, and alignment.

src/components/sidebar/index.tsx

@@ -4,7 +4,7 @@ import { Link } from "react-router-dom";
 
 export const AppSidebar = () => (
   <Sidebar>
-    <SidebarHeader>
+    <SidebarHeader className="text-2xl font-bold flex justify-center items-center">
       Lite Kit
     </SidebarHeader>
     <SidebarContent>