feat: update CallToActionSection label and wrap Discord button in link

apps/landing/src/app/(frontend)/_components/header.tsx

@@ -82,9 +82,11 @@ export function Header() {
 
         <div className="flex items-center gap-4">
           <SimpleThemeToggle />
-          <Button className="hidden md:flex bg-gradient-to-r from-primary to-blue-400 hover:from-primary/90 hover:to-blue-400/90 transition-all duration-300 font-bold text-black hover:text-white cursor-pointer">
-            Gabung Discord
-          </Button>
+          <a href="https://discord.com/invite/imphnen" target="_blank">
+            <Button className="hidden md:flex bg-gradient-to-r from-primary to-blue-400 hover:from-primary/90 hover:to-blue-400/90 transition-all duration-300 font-bold text-black hover:text-white cursor-pointer">
+              Gabung Discord
+            </Button>
+          </a>
 
           {/* Mobile Menu Button */}
           <Button

apps/landing/src/collections/CallToActionSection.ts

@@ -2,6 +2,7 @@ import { GlobalConfig } from 'payload';
 
 export const CallToActionSection: GlobalConfig = {
   slug: 'call-to-action-section',
+  label: 'Call To Action Section',
   fields: [
     {
       name: 'title',