fix: adjust grid layout for template display on AdminTemplatePage

Author: amide-init

src/admin/pages/AdminTemplatePage.tsx

@@ -172,7 +172,7 @@ export function AdminTemplatePage() {
         </p>
       </div>
 
-      <div className="grid grid-cols-2 gap-4 sm:grid-cols-3 lg:grid-cols-6">
+      <div className="grid grid-cols-2 gap-4 sm:grid-cols-3 lg:grid-cols-4">
         {TEMPLATES.map(({ id, label, description, preview }) => {
           const isActive = (config.template ?? 'hacker') === id
           return (