feat(admin) : add utility

components/admin-shell.tsx

@@ -63,11 +63,12 @@ export function AdminShell({
 
   return (
     <SidebarProvider>
-      <div className="flex w-full min-h-screen bg-background text-foreground">
+      <div className="flex w-full min-h-screen text-foreground">
         <Sidebar variant="sidebar" collapsible="icon">
           <SidebarHeader className="border-b border-border py-4 px-4">
+            <Link href="/admin">
             <div className="flex flex-row items-center justify-between">
-              <span className="font-bold text-primary text-lg">Admin</span>
+              <span className="font-bold text-primary text-lg bg-linear-to-r from-fuchsia-600 via-violet-500 to-fuchsia-400">Admin</span>
               <div className="flex items-center gap-1">
                 {(userName || profile) && (
                   <DropdownMenuAvatar
@@ -80,11 +81,11 @@ export function AdminShell({
                 <ThemeToggle />
               </div>
             </div>
+            </Link>
           </SidebarHeader>
 
           <SidebarContent>
             <SidebarGroup>
-              <SidebarGroupLabel>Navigation</SidebarGroupLabel>
               <SidebarGroupContent>
                 <SidebarMenu>
                   {NAV_ITEMS.map(({ href, label, icon: Icon, isActive }) => (