Add Mailgun admin tools and contact API

components/admin/layout/admin-layout.tsx

@@ -33,7 +33,8 @@ import {
   AdminPanelSettings,
   Launch as LaunchIcon,
   Article as PageIcon,
-  Share
+  Share,
+  Email as EmailIcon
 } from '@mui/icons-material';
 
 interface AdminLayoutProps {
@@ -53,6 +54,7 @@ const menuItems = [
   { text: 'Users', icon: People, href: '/admin/users' },
   { text: 'Pages', icon: PageIcon, href: '/admin/pages' },
   { text: 'Social Media', icon: Share, href: '/admin/social-media' },
+  { text: 'Email Settings', icon: EmailIcon, href: '/admin/mailgun' },
   { text: 'Content Moderation', icon: Gavel, href: '/admin/content' },
   { text: 'Analytics', icon: Analytics, href: '/admin/analytics' },
   { text: 'Chat Monitoring', icon: Chat, href: '/admin/chat' },